 Drill Guard | Drill Guard No. C12-1005: Small, 13 mm diameter - with bone relief hole and four sharp spikes, length 102 mm (4")No. C12-1006: Large, 16 mm diameter - with bone relief hole and four sharp spikes, length 102 mm (4") Related Instruments: Cross Bar Handle Drill Guard Tip Protector Drill Guard Cap Drill Guard Guide Drill Tip Drill Shaft w/ Depth Stop |