Item Name: Base Sucker Saw Core Bit Guide Diamond Locator Drill Bit Glass Openings Locator. Product Function: for Tiles, Glass, Fish Tanks, Marble100% brand new and high quality.Product Material: Engineering Plastic, Sealed Bearing / alloy + plastic Drill Bit Hole Guide Jig Fixture Vacuum Suction Base with Water Coolant Hole.Clamping Range:4-80mm 4-12mm Easy To Store and can be used time and time again.FeaturesA large guide suitable for diameters up to 115mm, for use with Addax wet diamond drill bits.This ladies are designed for glass and tiles even in small sizes and it is easy to attach to cooling systems.In order to change to a larger drill bit: loosen the 2 screws and turn the V-Notch piece to 180 and then tighten the screws for
