DS A1642 - 4-in-1 Axle Hex Tool - 3/8" Drive - 50 mm long DS A1640 - 4-in-1 Axle Hex Tool - 3/8" Drive - 70 mm long Both ends have a drive recess for use with a standard 3/8" ratchet. Sizes: 17, 19, 22 and 24mm