Description of Durable Precision Diamond Granite Porcelain Electroplated: Superior Quality for Lasting Shine!
SPECIAL FEATURE 30 Percent longer (deeper) than most competitors. You can drill through 3cm to 3.5cm thick materials with our tools. Quartz or marble counter-tops are no problem. Diamond tile drill bit set, diamond tile hole saw bits, tile bit set diamond, ceramic tile hole saws for porcelain. 5 Pieces Set of Diamond circular drill bits, Case and Insert Guide Included. Shank size is 3/8 inch for standard drills.