Feature: 1. Fast Drilling Speed: Marble Hole Saw made of high quality 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. Wide Range Applications: Suitable for drilling granite, ceramic tile, concrete, marble and other materials 5. Long Life: Can use it for a long time, beacuse it has sharpness edge, and fast drilling speed which improve the service life Specification: Item Type: Marble Hole Saw Material: Color: Black Total Length: Approx. 60mm / 2.4in Internal Thread: For M14 Scope of Application: Marble, Granite and Other Stone Openings Package List: 1 x Marble Hole Saw