uxcell 4pcs 5/64 7/64 9/64 11/64-inch Self Centering Hinge Drill Bit Hole Saw Product Name : Self Centering Hinge Drill Bit;Material : HSS Color : Silver Tone;Drill Holes Dia : 2mm/5/64",2.8mm/7/64",3.5mm/9/64",4.5mm/11/64" Hex Shank Size : 6.3mm/ 1/4";Total Length : 85mm/ 3.3",87mm/ 3.4", 95mm/ 3.7", 97mm/ 3.8" Weight : 108g Package Content : 4in1 x Self Centering Hinge Drill Bits