NUOLUX 5 Pcs Diamond Drill Bits Hollow Core Drill Bits Set Extractor Remover Tools

Description These diamond drill bits made of high-speeds steel that is durable and have a long sevice life which are and good performance that excellent for making clean and accurate hole. Features - Color: Silver. - Material: Steel. - Size: 5.50 x 1.20 x 1.20cm/ 2.16 x 0.47 x 0.47 inch. - This diamond coated core drill bit removes a complete circle from glass marble tiles granite ceramic or other. - They are perfect for drill glass tile bottles blocks jars fiberglass porcelain tile ceramic slate mable granite light stone. - These diamond drill bits made of high-speeds steel that is durable and have a long sevice life. - Which are and good performance that excellent for making clean and accurate hole. - Coated with high quality the diamond hole saws creates a high precision smooth cut with no broken edges.