CRL 3M® Trizact® 3" Cerium PSA Polishing Disc Marking Tools It has a 2-1/2" (64

It has a 2-1/2" (64 mm) throat depth

forged alloy tool steel with polished heads and are designed to cut heavy wire easily

High-grade tool steel blade make this CRL Russell Stiff Blade Knife strong

and peel off easily for application

CRL 3M® Trizact® 3" Cerium PSA Polishing Disc Marking Tools It has a 2-1/2" (643M Trizact A Cleaner, Long Lasting Abrasive System for Glass Scratch Repair Starter and Professional Kits are Both Easy to Use Several Grades Available CRL introduced 3M Trizact Abrasive Film to the glass industry. This material uses natural abrasive formed in the shape of small pyramids, and provides uniform layers of abrasive throughout the pyramid. As abrasive particles are exposed and used, they fall down and are flushed away between the pyramids.