RUBI Easy Gres Drill Bit Sets ø 3/16'' (10 mm) Electroplated Diamond Drills for Use with Electric Without Hammer Attaches Easily to any Surface

💎 Electroplated diamond drills for use with electric drill without hammer. The quality of the diamond permits drilling stoneware, porcelain, granite, marble and glass. 💧 With water reservoir and 10 fixing pads. Always use water-cooled. ✅ The EASY GRES guide allows holes both vertically and horizontally, thanks to its functional design incorporating a water tank with flow control valve ⚠️ The working speed varies between 400 and 1000 r.p.m., depending on the material to be drilled. Average life of 10 holes, depending on the material. ✅ The EASY GRES guide attaches easily to any surface, thanks to its renewable adhesives