Product Name : HSS Twist Drill Bit;Features : Round Shank, Spiral Flute, 135 Degree Split Point;Material : HSS * Color : Black;Tip Size : 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm * Shortest Size : 60 x 3mm/ 2.4" x 0.11" (L*D);Longest Size : 120 x 10mm/ 4.7" x 0.4" (L*D) * Case Size : 16 x 9.5 x 1.8cm/ 6.3" x 3.7" x 0.7" (L*W*T);Total Weight : 224g * Package Content : Package Content; 8Pcs x HSS Twist Drill Bit,1 x Metal Storage Case : 8Pcs x HSS Twist Drill Bit,1 x Metal Storage Case