Hardware HSS 0.4mm Dia Split Point 20mm Long Twist Drill Bits 10 Pcs Product Name : Twist Drill Bit;Features : Straight Shank;Material : HSS Color : Silver Gray;Bit Diameter : 0.4mm/0.01";Shank Diameter : 0.4mm/0.01" Flute Length : 5mm/0.2";Total Length : Total Length 20mm/0.78" : 20mm/0.78";Net Weight : 3g Package Content : Package Content;10 Pcs x Twist Drill Bits : 10 Pcs x Twist Drill Bits