40 pieces in metal box Size: 6 to 10 x 0.1mm DIN 338 standard, fully ground drills Straight shank, bright finish With split Twist Drills40 pieces in metal boxSize: 6 to 10 x 0.1mmDIN 338 standard, fully ground drillsStraight shank, bright finishWith split HSS Twist Drills Set in Metal Box, Straight Shank, Measures 6 to 10 x 0.1mm