CRL 2-1/2" Cast Iron Rubber Base Drilling Ring Caulking Guns Our Best All Purpose Glass

Our Best All Purpose Glass Cleaner for Around the House

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Step 1: Diamond Steel Polish and Sealer (8 Fl

CRL 2-1/2" Cast Iron Rubber Base Drilling Ring Caulking Guns Our Best All Purpose GlassCast Iron Rings with Rubber Bases Retains Abrasive Grain Slurry Eliminates Putty Dam Use these CRL Rubber Base Drilling Rings to retain the abrasive grain slurry while the drill is rotating and cutting into the glass. The cast iron rings have rubber bases to hold them securely to the glass, providing a proper seal, and allowing the coolant to mix with the grain for quick, efficient drilling. They are available in four diameters, individually or as a