CRL 7/32" Prismatic Glass Drill Setting Blocks & Shims Snaps Four Times Easier and

Snaps Four Times Easier and Cleaner Than Traditional Wood

is designed specifically for the smooth installation of backer rod

Overall length is 8-1/2" (216 mm)

and has excellent resistance to adverse weather conditions

Designed for interior use only

CRL 7/32" Prismatic Glass Drill Setting Blocks & Shims Snaps Four Times Easier andOur 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