HSS twist drill bits for metal, made of high speed steel, and wear well from professional treated.
Face treated by special technic to prolong use life.
With removable storage and kept in plastic box, double blister packing.

Included:1.5,2,2.5,3,3.2,3.5,4,4.2,4.5,4.8,5,5.5,6,6.5; 1pc adapter