For sale Wera Tools 6004 Joker S Self-Setting Spanner 13-10 Brand new The adjustable Joker 6004 covers all metric and imperial dimensions in the respective field of application * Automatic and continuous grip of hexagon screws and bolts * Lever mechanism when gripping avoids slipping and damage * Fast and consistent screwdriving without removing the wrench thanks to mechanical ratchet function * Back-pivoting angle of only 30deg through placement in the corner-width rectangular prisms in the mouth