Master lap Diameter:6" Our bits fit most American

Our bits fit most American and German-made glass grinders and some Chinese models as well

Torque: 48 oz

Works right on top of larger diamond drums

and polishing of glass edges—perfect for stained glass

Its versatile design allows you to create smooth curves

Master lap Diameter:6" Our bits fit most AmericanThis clear, acrylic master lap provides a flat surface to back your diamond discs and polishing pads for a smooth operation. Use on the SwapTop 6 flat lap machine or any flat lap machine that accepts 1 2 arbors. 6 and 8 diameters available. Specifications Diameter: 6" (152 mm) and 8" (203 mm) Arbor hole: 1 2" (12 mm) Thickness: 1 4" (6. 35 mm)