Features 1、Fast Drilling Speed: Marble hole saw is made of high quality diamonds material with fast drilling speed 2、Large Displacement Cutting Design: Incisive cutter head, fast drilling speed, large displacement cutting design 3、Save Time Effort: Save time and labor, improve work efficiency, and support customized drill bits 4、Long Life: Can use it for a long time, it has sharpness edge, and fast drilling speed which improve the service life 5、Wide Range Applications: Suitable for drilling granite, ceramic tile, concrete, marble and other materials Specification Item Type: Marble Hole Saw Material: Diamonds Color: Blue Opening Diameter: Approx.16mm / 0.6in Total Length: Approx. 68mm / 2.7in Internal Thread: For M14 Scope of Application: Marble, Granite and Other Stone Openings Package List 1 x Marble Hole Saw