Set di punte diamantate, set di 10 punte a tazza diamantate, punte per vetro adatte a piastrelle in ceramica, marmo, granito e bottiglie.

【Diamond Drill Bits】These drill bit kits are made of upgraded carbon steel with a smooth, nickel-plated finish that is corrosion-resistant, sharp, durable, and won't chip at the edges. 【Premium】Coated with premium diamonds for improved drilling efficiency, sharp cuts, high precision, and a smooth finish. 【Hole Saw Kit in 10 Sizes】1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 4/5 inch, 7/8 inch, and 1-1/5 inch sizes to meet various drilling needs. 【Multi-functional】Diamond hole saw drill bit kits are used for drilling glass, porcelain, ceramics, marble, granite, bottles, and flower pots. 【Tips】Continue to add water while drilling to extend the life of the drill. Additionally, water lubrication will improve the drilling experience.