hydra 5D two screw and one screwdriver are included with a drill body d1Inch d1mm d1decimal Inch l2mm l1mm 15/32 11.91 0.4688 69 130 12.00 0.4724 69 130 31/64 12.30 0.4844 69 130 12.50 0.4921 74 140 1/2 12.70 0.5000 74 140 13.00 0.5118 74 140