Hazet with safety insert system (SIS) made in Germany Drive: Square Hollow 6.3 mm (1/4 inch), square hollow 10 mm (3/8 inch), square hollow 12.5 mm (1/2 inch) - Hex Solid 6.3 (1/4 inch); Output: Exterior Hex traction profile, cross slot profile pH, Pozidriv PZ profile, slot profile, tamper resistant Torx with internal hexagon style organiser Size: 3/3 (519 x 342 Mm) HAZET with safety insert system (SIS) perfect organiser stores tools embedded quick, built in Vollständ moisture testing - Missing tools are immediately noticeable Infinite combination possibilities Suitable for all HAZET workshop trolley assistants with storage drawers for the tool trolleys Assistent 173, 179 (XL/XXL) and 180 we recommend in addition soft foam inserts 163 522X40/163/522X50