4-83mm Adjustable Hole Driller Glass Hole Locator Marble Fixer Punch Positioner

Features: *This hole saw guide is made of durable engineering grade ABS plastic and not easy to break a tile hole locator can be used for years. *The plate has an adjustable opening length of 4 to 83 mm large enough to fit in blades with all sizes of hole saws 4 removable bearings can be repositioned at the 9 bearing holes depend on your needs. *Two vacuum suction base has better resistance than suction base and keeps the centering clamp on a smooth surface *This tile hole saw guide offers more precise drilling easy to store and can be used for multiple times *Drill hole saw guide with water cooling holes widely use for drill bit to drill clear holes on tiles glass fish tanks marble granite ceramics *Adjustable plates opening length is 4-83mm/0.2 -3.26 large enough to fit all sizes hole saws. Specifications: Material: Quality Engineering plastic Color: Green Clamping Range: 0.2-3.26inch / 4-83mm Product Size: 7.87*11in / 20*28cm Package Weight: 0.91lb / 413g Package Incluede: 1pcs Adjustable Hole Locator Warm tips: Please allow 1-3mm error due to manual measurement. Water or coolant liquid is suggested to use along with hole saw during drilling.