CRL 2-1/2" Metal Tube Drill Setting Blocks & Shims It was designed by a

It was designed by a glazier to handle a problem that frequently happens when installing mirror walls

Always use caution when using this or any other sharp tool

There are center reference marks inscribed on the outside of the drill housing for easy lineup of your holes

They are available in four diameters

This CRL Makita® 7" (178 mm) Electronic Sander/Polisher maintains constant speed regardless of load variations

CRL 2-1/2" Metal Tube Drill Setting Blocks & Shims It was designed by aOne Piece Construction Gives Rigidity and Durability The "Old Reliable" Way to Drill Glass CRL Metal Tube Drills are designed for use in our CRL Tripod Drill or similar type drill machine. They work with an abrasive grain such as CRL Silicon Carbide Grain to "drill" holes in glass through rotational abrasion. A coolant (or water) is mixed with the abrasive to form a slurry which is retained by a CRL Rubber Base Drilling Ring. The even and steady