Tolsen,5pcs black & gold step drill bits set,75879,

HSS, Hardened
Contains:
1/4″ – 1-3/8″ x 10 steps
3/16″ – 7/8″ x 12 steps
1/4″ – 3/4″ x 9 steps
1/8″ – 1/2″ x 13 steps
3/16″ – 1/2″ x 6 steps
Titanium coating surface
Packing: aluminium case with color box