uxcell 1.5mm Tip Diameter HSS Center Spotting Drill Bit Countersinks 10Pcs Product Name : Center Drill Bit;Tip Diameter : 1.5mm/ 0.06" Shaft Diameter : 4mm/ 0.16";Total Length : 35mm/ 1.4" Material : HSS;Color : Silver Tone Weight : 36g Package Content : 10 x Center Drill Bit