Diamond Hole Saw Kit Ø 6-50 mm, Adjustable Hollow Drill Bit, Suction Cup Hole Saw, High Precision with Drill Bit for Glass, Marble, Tiles, Ceramics, PVC

【Diamond Hole Saw】There are 10 sizes overall to meet different needs. Including 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm. These are made from high strength carbon steel, making these drill bits durable diamond drills
【Easy to use】 High quality diamond coated diamond hole saws can increase drilling speed and cut smoothly in seconds without bending edges
【Advantage】 With guide device Drill bit set with adjustable suction cup, the maximum panel opening length is 3-1/4 inches, which is large enough to accommodate all sizes of hole saws
【Special Design]】 The large through holes on the drill bit facilitate the entry of cooling water and the escape of chips and other particles from the drilling, ensuring smooth drilling and facilitating the drilling process
【Adjustable Hole Saw Guide】 Hole Saw Drill Guide adjustable with suction cup. Fits all drill bit sizes, up to 3.5" drill diameter. Removable ball bearing, two modes (3 or 4 ball bearing mounting) are your choice, just flip the panel