Made of engineering grade plastic, durable quality, not easy to crack like flimsy ones The opening length of the adjustable plates is 4-80mm, large enough to install in all size hole saws More precise drilling, easy to store and can be used multiple times The suction base has good strength to hold the centering jig well and well on the smooth surface Guide hole saw or drill bit to drill clear holes on tile, glass, marble, fish tank, granite, ceramic, etc. Features Tile hole cutter made of engineering grade plastic, durable quality, not easy to crack like flimsy ones The opening length of the adjustable plates is 40-80mm / 1.57"-3.15", large enough to fit into hole saws of all sizes Easy to store and can be used over and over again The suction base has good strength to hold the centering jig tight and well on a smooth surface Vacuum suction base with coolant hole for tiles, glass, aquariums, marble, granite, ceramics Package Included: 1 x Adjustable Hole Locator Please allow 1-3mm
