Features 1、Accurate Drilling: The flexible and adjustable structure of the drill bit hole saw guide allows the positioner to fix the 4‑80 mm drill bit to achieve precise drilling. 2、Strong Adsorption Force: Drilling locator adopts rubber suction cup design, which can be stably adsorbed on smoother ceramic tiles and improve the accuracy of drilling. 3、Easy to Use: Granite hole saw guide is easy to use, no complicated procedures are required, and it can be used when it is installed and fixed where holes are needed. 4、Excellent Material: Hole saw guide is made of high quality engineering plastics, the structure is thick enough, durable, and can be used for a long time. 5、Wide Application: Punch locator drill guide has a wide range of applications, can be used for ceramic tiles, glass, marble, etc., is an ideal choice for precise drilling. Specification Item Type: Drill Bit Hole Saw Guide Material: Engineering Plastics, Bearing Steel Total Measurement: Length:Approx. 18.5cm / 7.3in Width: Approx. 14cm / 5.5in Clamping Range:Approx. 4-83mm / 0.2-3.3in Package List 1 x Drill Bit Hole Saw Guide