Review on CMT 550 108 Multipurpose Diameter Hexagonal by Justin Peck

This thing cuts like I've never seen it before. Went through multiple layers of wood, plywood, and siding like cutting through butter. My plumber was amazed when he drilled a shower drain hole through 1 1/2 inches of subfloor in less than five seconds. Cuts fast, cuts clean and appears to be hard wearing. Remarkable design for quick installation and replacement, the wooden plug falls out effortlessly. No other hole saw I've ever used comes close!