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 screw driving without removing the wrench thanks to mechanical ratchet function Back-pivoting angle of only 30° through placement in the corner-width rectangular prisms in the mouth; 6004 Joker S self-setting spanner, 10-13 x 154 mm