Adjustable Quick Cutter Hole Saw 2 1/2" to 7". This tool adjust from 2 1/2" to 7 " fits the 3/8" drill chuck, can be used with cordless drills, has carbide coated self sharpening cutting blades, and comes with 2 flexible Dust Shield.
The Sprinkler Cutter has a, 2 1/2" fixed blade, This Sprinkler Cutter Hole saw will cut hundreds of holes in acoustical ceiling tiles and drywall. It fits the 3/8" drill chuck has carbide coated self-sharpening cutting blades and no time wasted for removing material cutouts.