CRL 3" Suction Base Drilling Round Ring Backer Rods & Insert Tools Indicates Thickness of the First

Indicates Thickness of the First Pane of Glass

This 5-3/4" (146 mm) tool is a must if you have custom mirror plate projects

120º Hone Angle

Angle of chip is also adjustable

Very commonly used when scraping walls

CRL 3" Suction Base Drilling Round Ring Backer Rods & Insert Tools Indicates Thickness of the FirstInstantly Creates a Coolant Dam Slanted Walls Helps Stop Splashing Cleans Easily Won't Rust! Use our CRL Suction Base Drilling Rings for drilling glass whenever you use coolant or carbide grain. Made of a special rubber compound that won't break the glass if accidentally dropped on it. Easy to use, just wet the base with coolant or glass cleaner and press onto the glass. Four sizes of round rings, plus an oval shaped ring for drilling dual outlets.