CRL 7" x 7/8" 220X Grit Polyester Back Sanding Disc Quantity:Pack of 50 Specific substrate testing is required

Specific substrate testing is required on all structurally glazed projects

Always wear hand and arm protection when handling glass with sharp edges

drilling a 2" (51 mm) hole in 1/4" (6 mm) mirror can be done in less than ten seconds while using a properly dressed drill bit (tests done under controlled conditions)

never allowing too much pressure to be applied

You will not need to notch the vinyl

CRL 7" x 7/8" 220X Grit Polyester Back Sanding Disc Quantity:Pack of 50 Specific substrate testing is requiredFast Grinding 100% Polyester Backed Discs Bolt On Type with Hole in Center Fits Most Disc Sanders Three Popular Sizes: 5", 6" and 7" (127, 152 and 178 mm) Our Silicon Carbide Sanding Discs come in 5", 6" and 7" (127, 152, and 178 mm) diameters to fit most popular brands of disc sanders. They have 100% polyester backing that lets you use them wet or dry. Available in five grits an come 50 discs per box. MOST POPULAR GRITS FOR GLASS: 60X Extra Rough,