1-2/4" overall diameter
variable tooth design & perma-shield non-stick coating
Perma-SHIELD coating protects these blades from heat
Does not require mixing
floor and pavement joints
Hole Saw, Carbide-Tipped, 3-In. Big Stretch 1-2/4" overall diameterDiablo, 3'', carbide tipped hole saw, cuts both wood & metal, use on wood, nail embedded wood, plastic, aluminum, metal, cast iron & stainless steel, 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 time,