The Wera 6004 Joker Self-Setting Wrench eliminates the guesswork of sizing. Its self-adjusting jaw automatically conforms to the fastener head — just place it on the nut or bolt and apply torque. No knob to turn, no dial to fidget with. Available in six sizes spanning 7mm to 32mm (1/4" to 1-1/4"), there's a 6004 Joker for every scale of work.
Key Features
Self-Setting Jaw — Automatically adjusts to the fastener for a secure, play-free fit without manual adjustment.
Six Sizes to Cover Every Job — From precision fasteners to heavy-duty bolts, the 6004 Joker family has you covered across a wide range of fastener sizes.
