Best Crimpers for RJ45 and Network Cable Termination
- Best overall: KNIPEX Crimping Pliers 190 mm, 97 51 10 — The 190 mm body, parallel crimping and unlockable ratchet mechanism make it the most contr
- Runner-up: Klein Tools VDV226-011-SEN Ratcheting Modular Crimper/Stripper — Its ratcheting modular design makes it a sensible choice for structured RJ45 and modular c
- Third choice: TRENDnet Crimping Tool — It is a straightforward network crimping tool in a sensible mid-range band, but the listin
Good network terminations depend on a tool that can cut, strip and crimp cleanly without crushing the plug or leaving the cable sloppy. The wrong crimper can make even decent CAT cable frustrating to terminate, especially if the ratchet action is vague or the cutting edges are poor.
This guide compares the most relevant RJ45 and network cable termination tools for UK buyers, with proper product details rather than woolly impressions. It is for anyone wiring Ethernet runs, re-terminating patch leads, or wanting a reliable hand tool for regular CAT cable work.
Our Top Picks
£30-£50
KNIPEX Crimping Pliers 190 mm, 97 51 10
“The 190 mm body, parallel crimping and unlockable ratchet mechanism make it the most controlled option here for repeatable RJ45 termination.”
This is the most complete tool in the group because it combines cutting, stripping and crimping in one 19 cm frame. KNIPEX says it has high-quality blades for CAT cables, plus parallel crimping for a more even squeeze on the connector. The unlockable ratchet mechanism is a proper practical detail: it helps keep pressure consistent while still allowing you to release it if needed.
The main drawback is that it is still a hand tool, so the result depends on your technique and the connector quality as much as the pliers themselves. At 190 mm, it is not the smallest tool in the box either, so anyone doing only the occasional plug may find it more tool than they need. But for regular network work, the force-focused lever action is exactly what you want when you are making multiple terminations in a row.
- 190 mm size gives good leverage for repeated terminations
- Parallel crimping helps produce a more even, consistent crimp
- Unlockable ratchet mechanism supports repeatable work
- Built-in cutting and stripping for CAT cables
- More tool than a very occasional user may need
- No detailed connector compatibility list in the available data
Best for: Regular DIY or trade users who want the most controlled, all-in-one RJ45 termination tool here
💬 Verdict: Buy this if you want the strongest all-rounder and value consistent crimp quality over the lowest entry cost.
£30-£50
Klein Tools VDV226-011-SEN Ratcheting Modular Crimper/Stripper
“Its ratcheting modular design makes it a sensible choice for structured RJ45 and modular cable work, even though the available data is sparse.”
This looks like a properly focused modular crimper/stripper rather than a generic multi-tool, which is the right shape for network termination work. The ratcheting action should help with consistent pressure, and that matters when you are making several terminations and want each one to feel the same. The tool is clearly aimed at modular work, which is what most buyers in this category actually need.
The problem is that the data here is thin, so there is no concrete size, blade detail or connector specification to compare against the KNIPEX. That makes it harder to judge exactly how refined it is in use. It still earns a strong place because the tool type is right, but the lack of visible specification detail is a real weakness for anyone who wants proof before buying.
- Ratchet action should improve consistency
- Modular crimper/stripper format suits RJ45-style work
- Clear focus on termination tasks rather than general tool use
- No dimensions, blade detail or other specs in the available data
- Harder to assess build quality from the listing information alone
Best for: Buyers who want a dedicated modular crimper/stripper and are comfortable with limited published specification detail
💬 Verdict: A sensible runner-up if you want a ratcheting modular tool, but it loses out on specification clarity.
£20-£30
TRENDnet Crimping Tool
“It is a straightforward network crimping tool in a sensible mid-range band, but the listing gives no usable specs to judge it properly.”
This is the sort of basic network crimper many people look for first: simple, purpose-built and likely aimed at routine RJ45 work. Because there are no published features or specs here, though, you cannot compare blade quality, ratcheting behaviour or any size details against the better-documented tools in this guide. That makes it difficult to recommend above better-specified rivals.
Its weakness is not that it is unsuitable, but that there is nothing concrete in the supplied data to prove what makes it better than a cheaper or more detailed alternative. For a buyer who wants to know exactly what they are getting, that lack of information is a problem. It is acceptable if you want a no-fuss tool, but not the most convincing buy on evidence alone.
- Purpose-built network crimping tool
- Simple option for straightforward RJ45 tasks
- No published specs or feature detail in the available data
- Hard to judge durability or crimp quality from the listing alone
Best for: Someone who wants a plain, no-frills crimper and is less concerned about detailed published specifications
💬 Verdict: Worth considering for simple jobs, but the sparse data keeps it behind the better-documented tools.
£20-£30
Lsoar RJ45 Crimp Tool Kit Pass Through RJ45 Crimper
“The pass-through design suggests easier plug preparation for RJ45 work, but the lack of supporting specs makes it difficult to assess properly.”
The pass-through format is the one concrete clue here, and that is useful because it can make trimming and seating conductors more forgiving for less experienced users. As an RJ45 crimp tool kit, it is clearly aimed at network termination rather than general electrical crimping, so it belongs in the guide. For first-time users, a pass-through style can reduce the faff of getting all eight conductors lined up.
The weakness is that there are no other actual figures or specs to lean on, so you do not know the tool size, mechanism detail or what else is in the kit. That is a real limitation when comparing it with a more established option like the KNIPEX. It may be handy, but the listing does not give enough evidence to call it a top-tier choice.
- Pass-through RJ45 format can make termination easier
- Kit format may suit beginners who want an all-in-one setup
- No published specs beyond the pass-through style
- Hard to compare build quality or longevity from the data provided
Best for: Beginners who want a pass-through RJ45 tool and do not mind limited specification detail
💬 Verdict: A practical beginner-friendly option, but not the best-evidenced choice in the list.
£10-£20
Silverline Ratchet Crimping Tool
“The ratchet mechanism is the only real specification here, which is useful, but it leaves the tool hard to judge against better-documented rivals.”
This is the budget-end ratchet option in the group, and that alone will appeal to anyone who only needs an occasional crimping tool. A ratchet mechanism is better than a loose or free-running action for consistency, so the basic design is on the right track. For simple RJ45 work, that may be enough.
But there is no size, no blade detail and no connector-specific feature list in the supplied data. That makes it the least transparent product here, and it is hard to recommend over tools that tell you more about what they actually do. It should work as a basic crimper, but it is the easiest one in the list to outgrow or regret if you do much cabling at all.
- Ratchet action should help make crimping more consistent
- Basic, straightforward option for light use
- Very limited specification detail
- Likely to feel basic compared with better-finished alternatives
Best for: Occasional users who want the simplest ratcheting crimper and are happy to keep expectations modest
💬 Verdict: Adequate for light-duty use, but the lack of detail makes it the weakest pick here.
What to Look For — Buyer’s Guide
What to Look For
For RJ45 and network cable termination, the useful details are the ones that affect how cleanly the plug goes on. A ratchet mechanism is worth having because it helps keep pressure consistent, while cutting and stripping functions save you reaching for another tool. If a product gives you dimensions, like the 190 mm KNIPEX, that is useful too because it tells you something about leverage and handling.
Also look for practical design cues such as parallel crimping, unlockable ratchets and pass-through compatibility if that is your preferred method. The trouble with thin listings is that they can hide weak blades or awkward action, so a tool with fewer published details is harder to trust. For network work, consistency matters more than flashy extras.
How Much Should You Spend?
In this category, the sensible middle ground is usually where the best tools sit. The better-documented ratcheting tools tend to justify the extra spend because they should give cleaner, more repeatable crimps and feel less tiring over multiple terminations. Cheaper tools can still be fine for the odd home job, but they are more likely to feel vague or basic.
If you only wire a couple of sockets or patch leads, a simpler tool may be enough. If you do repeated terminations, it is worth choosing the one with the clearest mechanism and the most useful built-in features, even if it is not the cheapest option in the group.
Our Verdict
The top pick is the KNIPEX Crimping Pliers 190 mm, 97 51 10, because its 190 mm body, parallel crimping and unlockable ratchet give the most convincing mix of control and repeatable results. The runner-up is the Klein Tools VDV226-011-SEN Ratcheting Modular Crimper/Stripper, which suits buyers who want a dedicated modular tool and are happy to trade away some specification detail.
If you want the most evidence-backed option for regular network terminations, go for KNIPEX. If you want a solid ratcheting modular crimper and do not mind thinner published data, the Klein Tools model is the sensible alternative.
Frequently Asked Questions
What is the best crimping tool for RJ45 connectors?
For most buyers, the KNIPEX Crimping Pliers 190 mm, 97 51 10 is the strongest all-round choice because it combines cutting, stripping and crimping with parallel crimping and an unlockable ratchet.
Do I need a ratchet crimper for network cable?
You do not strictly need one, but a ratchet helps keep pressure consistent, which is useful when terminating RJ45 plugs. Every tool in this guide except the most thinly described options is aimed at that kind of controlled use.
Is a pass-through RJ45 crimper better for beginners?
Often, yes. A pass-through design like the Lsoar RJ45 Crimp Tool Kit Pass Through RJ45 Crimper can make conductor alignment easier, which helps if you are new to terminating Ethernet cable.
Can I use a general crimping tool for Ethernet cables?
Not safely unless it is designed for modular/network connectors. RJ45 work benefits from proper cutting, stripping and crimping features, which is why purpose-built tools in this guide are a better fit.
