Drill Bit Hole Locator Adjustable 1.57" 3.15" for Cceramic Glass Marble Saw Core Guide Jig Fixture With Vacuum Base Sucker

Tile hole cutter made of engineering grade plastic, quality, not easy to get cracked as those fragile ones Adjustable plates' opening length is 40-80mm/1.57"-3.15", large enough to put in all sizes' hole saws Easy To Store and can be used time and time again, Adjustable Hole Saw Drill Guide Jig Fixture with Suction Base Suction base has good strength to hold the centering jig tight and well on smooth Drill Bit Hole Saw Guide Jig Fixture Vacuum Suction Base with Water Coolant Hole for Tiles, Glass, Fish Tanks, Marble, Ceramic