Makita B-12790 Impact Torsion Double-Ended Screwdriver Bits PZ2 x 85mm x3 Pcs Long lasting steel screwdriver torsion bits for continuous high torque fastening with impact drivers. Ideal for self-drilling and long wood screws. The high torque produced by impact drivers will damage standard screwdriver bits but the new Makita double ended torsion screwdriver bit out performs beyond all expectations, lasting up to 10 times longer than a standard bit. FEATURES Long lasting torsion bits for impact drivers For continuous high torque fastening with impact drivers Double ended PZ2 bits Shock absorbing Steel construction SPECIFICATION Length: 85 mm Size: PZ2 Qty: 3 Pcs