The Bahco SB7800SM Series Hex Sockets featuring a dynamic drive profile for higher efficiency and optimum grip. Manufactured from high-performance alloy steel with a highly polished finish. Not suitable for machine operation. 1/2in square drive.Select Option 10mm11mm12mm13mm14mm15mm16mm17mm18mm19mm21mm22mm23mm24mm27mm30mm32mm8mm9mm Add to Basket Quantity