CRL 48 mm PDT Belgian Series Metal Bond Diamond Drill Squares Templates & Straight Edges It contains absolutely no petroleum

It contains absolutely no petroleum products that will be harmful to your skin

With a removable center pilot

Proper size selection of CRL Closed Cell Backer Rod is important as it controls the depth of the sealant bead

Most other cedar shims are made from inland cedar which tends to rot

CRL 48 mm PDT Belgian Series Metal Bond Diamond Drill Squares Templates & Straight Edges It contains absolutely no petroleumDesigned for High Volume Glass Drilling Full 3 8" (10 mm) of Diamond Cutting Surface Threaded for Use in Belgian Type Drill Chucks CRL PDT Series Metal Bond Diamond Drills use a special diamond and brass bond for maximum performance in glass. Metal bond drills offer the greatest life, 1000 to 2000 holes in 1 4" (6. 4 mm) glass with proper maintenance and the use of a wet Sharpening Stone to expose fresh diamonds, of any type of diamond drill. PDT