11.2 mm diameter, split point tip 141 mm high speed?? Steel HSS twist drill bit - Product name: twist drill bit shank; features: straight; material: HSS - flute 96 mm/length: 3.78, total length: - colour: black; diameter: 11.2 mm/"shank 0.441; diameter: 11.2 mm/0.441 "- package content: package content: 1 x twist drill; 1 x twist drill bit - 141 mm/". "5.55" "1: 141 mm / "" 5.551; Net weight: 70 g