WERA Adapter 870/4 hexagon drive 1/4 inch square drive 1/4 inch length 50 mm

6.3 mm (1/4″) external square to 6.3 mm (1/4″) hexagon head
– For driving 6.3 mm (1/4″) socket bits with a power tool (conventional cordless screwdriver) Further technical information:
– Drive: E 6.3 hexagon head