Diamond Screwdriver Bit Set, 7 pcs Bahco 63D/7-1

7-piece bit set: 6 diamond bits and a universal bit holder In a cardboard hanging case Drive: 1/4” DIN 3126-C6.3, ISO 1173 Finish: diamond coating Material: high-quality alloy steel The tip is coated with thousands of tiny industrial-grade diamond particles. The diamond bit offers high strength and good wear resistance. The bit significantly reduces cam-out and lowers the torque required to drive the screw successfully.