Wera 073680 1440/1442 Screw Gripper Attachment Set Wera Tools 1440 VDE/1442 VDE Screwgripper Attachment Works with Flat, Phillips, Slotted, Square, Torx Screw Heads Suitable for round and hexagon blades with a diameter from 4.5mm to 6.0mm and 6.5mm and 8.0mm Works without magnets. Free spinning sleeve makes it easier to guide the screwdriver.