These are made up of chrome vanadium steel that has been entirely chrome plated with a mirror finish and is free of aluminium to prevent sparking. Each face of the square drive has a ball holding groove. Conform to DIN specifications.Using 1/2" square drive tooling, insert and remove fasteners and fixings.
Part Number : YMT5827861GTSKYamoto - 1/2 inch Drive, 2x55mm Screwdriver Socket Bits