Quick-change mechanism
filters dust and other airborne particles
Powerful 15 amp motor designed for tough cutting applications
Torque limiting clutch engineered to prevent gear damage by automatically disengaging gears if the bit binds
Strong 54 in fiberglass handle with 9 in cushioned grip
Hole Saw, Carbide-Tipped, 2-1/4-In. Measuring & Marking Tools Quick-change mechanismDiablo, 2 1 4", carbide tipped hole saw, cuts both wood & metal, use on wood, nail embedded wood, plastic, aluminum, metal, cast iron, metal & stainless, delivers longer cutting life than bi metal for faster cutting performance & increased productivity, 2 3 8" cutting depth for 40 percent deeper holes in single pass & increased productivity, variable tooth design for faster cuts, snap lock plus mandrel system for quick & easy changes with no down