Diamond Drill Bits (10 PCs) earphone Standby Time: 100 h

Standby Time: 100 h

【Material】 Memory foam in one piece covered with PU leather and held in place by an elastic strap

Weight: 10 pieces - 176 g

durable quality

Diamond Drill Bits (10 PCs) earphone Standby Time: 100 hFEATURES Made of high strength and quality corundum powder of diamond sand and carbon steel with smooth nickel plated surface coating to ensure durability of usage; Easy, quick and smooth drill for hole; enhance the drilling speed to ensure a sharp, high precision and smooth cut without a broken edges in seconds; Capable of drilling into extremely hard materials such as marble, slate, glass, tile, stone and many more. The material needs only water for