CRL 1/8" x 3" Duo-Bit Masonry Drill Gauges Sensors & Calculators To set up you simply

To set up you simply extend the pole from floor to ceiling

and no tools are needed for any of the adjustments

Cuts Circles Up to 72" (1

and 78" (1

allowing use with standard 10

CRL 1/8" x 3" Duo-Bit Masonry Drill Gauges Sensors & Calculators To set up you simplyMade for Rotary and Hammer Drills Brazed In Carbide Tips A significant breakthrough in carbide tipped masonry bits, CRL's Duo Bit Masonry Drill Bits work in two ways. They can be used in rotary drill or hammer drill applications. The carbide tip is brazed to the drill shaft for smooth turning and fast penetration in all masonry materials. Available in four diameters, and up to 12" (305 mm) in length. Product images shown are of the actual product or a