Wrenches/Sockets Wera Joker 18 mm

The Wera Joker 18 mm ratcheting combination wrench combines an open jaw with a ratchet ring for versatile fastening. It features an exchangeable hardened metal plate in the jaw that grips nuts and bolts, an integrated limit stop to prevent slipping around the bolt head, and a fine-tooth 80-tooth ratchet mechanism at the ring end. Forged chrome-molybdenum steel and a nickel-chrome finish provide strength and corrosion resistance. Colour coding and marked dimensions help locate the correct Joker quickly.

Advantages

The replaceable metal plate in the jaw secures fasteners with extra-hard teeth to reduce the risk of dropping and slipping. The integrated limit stop allows higher torque application without the tool slipping off the bolt head. Double-hex geometry ensures a positive fit with nuts and bolts and reduces rounding. A 30° return angle at the open end minimizes flipping during operation, and the 80-tooth fine-tooth ratchet delivers smooth operation in tight spaces. High-performance chrome-molybdenum steel and nickel-chrome coating increase durability and corrosion protection.

Suitable for

• Tightening and loosening nuts and bolts in confined spaces
• Applications requiring a secure grip on fasteners to avoid dropping
• Work that needs higher torque without slipping
• Situations where quick tool selection is required (colour-coded system)

Key specifications

• Type: Ratcheting combination wrench (Joker)
• Size: 18 mm
• Material: Chrome-molybdenum steel
• Finish: Nickel-chrome coating
• Ratcheting mechanism: 80-tooth fine-tooth ring end
• Return angle (open end): 30°
• Features: Exchangeable hardened metal jaw plate, integrated limit stop, double-hex geometry, colour coding
• Brand: Wera
• MPN: 05073278001
• EAN: 4013288167408

How to use

Place the open jaw or the ring end over the nut or bolt and apply steady force to turn. Use the open end where slight angle adjustments are needed and the ratchet ring end where continuous rotation without repositioning is preferred. The jaw’s metal plate will hold the fastener in place for positioning; once positioned, continue turning to engage the thread and tighten or loosen as required. Replace the hardened metal plate when worn to maintain secure holding.

Usage recommendations

For best results, select the correctly sized 18 mm Joker from the colour-coded tool finder system, ensure the exchangeable jaw plate is intact, and use the ring end in cramped spaces to take advantage of the 80-tooth fine-tooth ratchet. Do not use the wrench on damaged fasteners or apply impact loads beyond hand torque.