Would this work with molex automotive connectors? say molex 1326030-2

The crimp tool is CORRECT, but the CRIMP DIES it comes with are not. As others have stated, it comes with dies for insulated barrel connectors. I have not found this crimper to be sold with the open barrel connector dies but you can buy them separately. The correct Klein Tools VDV205-036 Wire Crimper Die, Terminal, Open Barrel, AWG 10-20, Replacement Die set is currently sold on Amazon as well.

Anyone know if this could be used on a 10 AWG copper cable lug like the type used on batteries?

These crimpers are rated for up to 10 AWG, will absolutely work for that size wire. Most automotive battery main cables are MUCH larger than 10awg, more like 6awg - 2awg, and these would NOT WORK for those sizes. 10awg - 22awg is the capacity range.

What is the thickness of the dies/gap for them to slide into the tool? Standard is 4mm, looking for one that fits 5mm wide dies.

I have been working in electronics for 50 years and still not clear. But might I suggest you either buy the crimping tool and if it doesn't suite your needs, simply return it. Or you could check the Klein Tools website yourself for detailed drawings.

The ad clearly says for "stranded copper wire", but the photos also clearly show crimping on solid wire. Does it work correctly on both wire types

I recently was installing a TV antenna. Code requires that external antennas be grounded with #10 or larger copper wire (or some other alternatives). So I used #10 solid copper wire. With one of those combination wire strippers, screw cutters, crimpers things, and squeezing as hard as I could, I could not get the crimp tight enough to keep the wire from sliding out. So I tried the Klein 3005CR. I saw that it was for stranded only, and was worried, but decided to give it a try anyway with the solid wire. It worked absolutely perfectly.

3005CR Ratchet Type Crimping Tool 10-22AWG

Product ID: 740440512

Details

Brand
KLEIN TOOLS
Color
without
Grip Type
Ergonomic
Handle Material
Plastic
Item Weight
590 g

🌈3 color-coded crimping ranges (10-22 AWG)

🔧Built-in ratchet for uniform pressure

⚙️Adjustable crimping force dial

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€ 104.20

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In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Crimp like a pro — flawless connections, every time!

TRUSTED BY PROS - Top-rated with 4.8 stars and thousands of users who demand quality.
COMPACT DURABLE - 9-inch steel build designed for professional use and long-lasting performance.
PRECISION EVERY TIME - Ratchet mechanism ensures consistent, flawless crimps with zero guesswork.
ALL IN ONE VERSATILITY - One tool, three color-coded crimping ranges covering 10-22 AWG wires.
CUSTOMIZABLE CRIMPING FORCE - Dial in the perfect pressure for any wire gauge, maximizing reliability.

The Klein Tools 3005CR Ratchet Type Crimping Tool is a compact, steel-built hand tool designed for crimping insulated wire terminals across three color-coded ranges (10-22 AWG). Featuring an adjustable crimping force dial and a built-in ratchet mechanism, it guarantees uniform pressure and reliable crimps. Highly rated by professionals, this 9-inch tool combines precision, durability, and versatility for all your wiring needs.

Specifications

ASIN	B07WMB61J5
Amazon Bestseller	#176,124 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #452 in Crimpers
Are Batteries Included	No
Brand	KLEIN TOOLS
Color	without
Customer Reviews	4.8 4.8 out of 5 stars (6,376)
Date First Available	August 14, 2019
Included Components	No
Item Weight	590 g
Material	Steel
Model Number	3005CR
Power Source	No
Product Dimensions	22.71 x 7.72 x 2.21 cm; 589.67 g

Reviews

A**S

Great crimper works perfectly.

13.12.2025

M**I

جوده عاليه وومتازه

1.02.2026

E**O

Una maravilla klein nunca me decepciona

9.04.2021

C**A

Ótimo, recomendo… tem muita qualidade!

30.01.2026

A**G

Klein Tools consistently makes high-quality tools, and the 3005CR Wire Crimper is no exception. I bought this crimper to terminate insulated connectors for my wiring projects, and it has performed flawlessly. The ratcheting mechanism ensures consistent crimps every time, and the tool feels solid and comfortable in hand. I’m very happy with this purchase and would buy again. Potential Uses: Terminating insulated and non-insulated wire connectors DIY electronics and wiring projects Automotive, RV, and marine wiring Home electrical and low-voltage projects Ham radio and custom battery power box wiring Workshop and hobby electronics Key Features: Ratcheting mechanism for consistent, reliable crimps Insulated handle for comfortable and safe use Crimps 10 to 22 AWG wire sizes High-quality, durable construction for long-lasting use Compact and easy to handle Compatible with insulated terminals and connectors Disclaimer: This review reflects my personal experience only and is not professional electrical advice. Always follow proper safety procedures when using hand tools and ensure proper wire and connector selection for your projects.

2.12.2025

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TrustScore 4.5 | 7,300+ reviews

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