Diamond Drill Bits Set Size:5pcs: 3/16" (5mm)-3/8" (10mm) The fixed offset head providess

The fixed offset head providess stronger support to tighten the last screw or loosen the first screw easily

and ensures efficient protection

which is with good stretch and breathability

offers higher cutting efficiency

Diamond Drill Bits Set Size:5pcs: 3/16" (5mm)-3/8" (10mm) The fixed offset head providessComplete Set of Diamond Core Drill Bits: 5 pack includes sizes 3 16" (5mm), 1 4" x 2 (6mm), 5 16" (8mm), 3 8" (10mm). 10 pack includes sizes 3 16" (5mm), 1 4" (6mm), 5 16" (8mm), 3 8" (10mm),drill bit*4,ph2 bits*2. Long Lasting: We have enhanced the durability of these drill bits by thickening the diamond cutting coating, ensuring prolonged usability and reducing the chances of them becoming unusable after a few grinding sessions. The solid hexagonal