Contents Instruments ST992.04 Drill Bit (S.S.) : 2.5mm 2 nos. ST003.02 Drill Bit (S.S. Quick Coupling End) : 2.5mm 1 nos. ST992.07 Drill Bit (S.S.) 3.5mm 1 no ST903.02 Counter Sink 1 nos ST203.04 Cortical Tap : 3.5mm 2 no ST203.05 Cancellous Tap : 3.5mm 2 no ST203.06 Cancellous Tap : 4mm 1 no