This is a box wrench bit for use with 7mm hex bolts and nuts. It is compatible with the TAMIYA Ratcheting Screwdriver PRO in Item 74152.
• Box Wrench Bit (7mm) x1
• Bit size: 7x75mm
• Chromium-vanadium steel is crafted via cold forging for exacting results.
• Compatible with Item 74152, and electric screwdrivers that can use 6.35mm hex shank bits.