Twist drill set DIN 338 N in metal case 1 - 10 x 0.5 mm / 170 pcs. Versions: roll-rolled, sanded, sanded TIN-coated Contents: 1.0 - 8.0 x 0.5 mm per 10 pieces 8.5 - 10.0 x 0.5 mm per 5 pieces Metal case in the colors blue , gray and black available