Specification:
Type: Diamond drill Bit
Material: Nickel-plated steel
Quantity: 16 pcs
Item color: Silver
Diameter: Dia. 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 28/ 30/ 35/ 40/ 45/ 50 mm
Height: About 52mm
Special Features: Lubrication water is always required
Size: 6-50mm / 16 Pcs
Net Weight: 0.38kg / 13.4oz