【2 SIZE IN 1】2 different diameters in one package: Black 6mm, 8mm. 【Easy Operation】Applied for DRY or WET drilling. You can work in all conditions. The perfect tools are at your fingertips. You can also do the same great job as a master! 【Multiple Applications】Perfect for porcelain, glass brick, ceramic, ceramic tile, granite, marble, quartz , limestone, fiberglass terrazzo, masonry, quartz stone and sandstone. 【Reasonable size】For 6mm/ 8mm, Thanks to sharp and extremely hard diamonds, the crown diamond drill bit ensures clean and fast professional drilling. Thanks to the high-quality industrial diamonds, the reamer has a fast cutting speed. 【High quality】Thanks to the sintered diamond segment and the maximum precision, the cup wheel has a long service life. Sintering makes it possible to obtain a high fracture toughness, which makes the diamond material less sensitive to shocks. It has particularly high strength and heat dissipation, which extends its service life. In addition, the
