Makita E-03383 Impact Premier Double Ended PZ2 Bits 50mm x 1/4\" Pack x10 Pcs Makita Impact Premier Torsion screw bit set consists of 10x PZ2.  FEATURES Supplied in a flip top case High precision screw fitting Particularly resilient thanks to the new steel alloy 50% longer service life than conventional impact-resistant bits Enlarged torsion zone optimally absorbs impacts SPECIFICATION Size: PZ2 Length: 50mm Shank: 1/4\" Hex Type: Double Torsion Pack Quantity: 10