Diamond Drill Bits Set Size:5pcs: 3/16" (5mm)-3/8" (10mm) The micro-foam structure ensures 360°

The micro-foam structure ensures 360° breathability to keep hands comfort and cool

razor-sharp precision

which is with good stretch and breathability

and ensures efficient protection

Diamond Drill Bits Set Size:5pcs: 3/16" (5mm)-3/8" (10mm) The micro-foam structure ensures 360°Complete 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