WKK 57818 Ratchet Crimping Pliers for Insulated & Uninsulated Terminals and Wire End Ferrules, 0.5-10 mm², 225 mm

Ratchet-controlled crimping pliers with a 0.5–10 mm² range for wire end ferrules and a 0.5–6 mm² range for insulated and uninsulated terminals. The quick-release lever prevents premature release before the full crimp is achieved.

Overview

The WKK 57818 is a heavy-duty crimping tool built on a high-carbon steel body with a black oxidized jaw finish. It handles insulated terminals, uninsulated terminals, and wire end ferrules across common electrical, automotive, industrial, and DIY wiring tasks.

What stands out

• Ratchet-controlled mechanism ensures consistent, repeatable crimps.
• Quick-release lever allows manual override if a crimp needs to be interrupted.
• Ergonomic PVC/TPR handle in red/black provides a secure grip during prolonged use.
• Square/trapezoidal crimp profile for wire end ferrules, indent/oval for insulated terminals, indent for uninsulated terminals.
• Overall length of 225 mm balances leverage and control.

Technical details

• Tool type: Crimping pliers
• Crimping range insulated terminals: 0.5–6 mm² (AWG 20–10)
• Crimping range uninsulated terminals: 0.5–6 mm² (AWG 20–10)
• Crimping range wire end ferrules: 0.5–10 mm² (AWG 20–8)
• Crimping profiles: indent/oval (insulated), indent (uninsulated), square/trapezoidal (ferrules)
• Body material: High-carbon steel
• Handle material: Ergonomic PVC/TPR
• Overall length: 225 mm
• Jaw finish: Black oxidized
• Handle colour: Red/black

Our verdict

A dependable ratchet crimper for professionals and serious DIYers who need precise, repeatable crimps on a wide range of terminal and ferrule sizes.