Wera 6004 self adjusting 4 piece wrench set The compact folding pouch with 4 self adjusting wrenches covers all metric and imperial dimensions in applications from 7-19 mm or 1/4-3/4". Textile case dimensions: 265 x 120 x 45 mm Includes: 6004 Joker, XS 6004 Joker, S 6004 Joker, M 6004 Joker, L Textile case Automatic and continuous grip of hex screws and bolts Automatically adjusts to different size bolt heads Lever mechanism when gripping avoids slipping and damage The single arm design along with the ratchet function make this a great tool for confined spaces Fast and consistent driving without removing the wrench due to its mechanical ratchet function Back pivoting angle of only 30 degrees with placement in the corner width rectangular prisms on the jaws Suitable for attachment to walls, shelves, workshop trolleys and the Wera 2go system thanks to the hook and loop fastener system on the back.