CRL 1/4" Prismatic Glass Drill Glass Abrasive Tools Versatile Plastic Shims can be

Versatile Plastic Shims can be used in so many ways: for leveling railing base shoes

or any other foreign materials

Copper and other Architectural surfaces such as these

Just place the alignment mark over the score line

CRL 1/4" Prismatic Glass Drill Glass Abrasive Tools Versatile Plastic Shims can beOur Best Carbide Drill Precision Ground on Three Sides Available Sizes from 1 8" to 1 2" (3. 2 to 12. 7 mm) This CRL Prismatic Glass Drill is the standard of quality for glass drilling throughout the flat glass industry. The tungsten carbide tips mean you can produce hundreds of high quality holes without needing to re sharpen the drill. The extra long tip assures long lasting, precision drilling. Prismatic Drills should only be used in glass drilling