5PCS BLACK & GOLD STEP DRILL BITS SET

• 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