Color-differentiated green bases allow easy to cutter identification in low-light conditions, and pre-angled slots reduce wrist strain during overhead installations, with a storage bag for organized carrying Machined ABS cutting fixtures toughness, being 3 times more resistant to impacts than other alternatives, ensuring reliabled Includes a 59inch tape measure with double-scale measurements for easy pipe sizing, while depth indicators on cutter guesswork This cutter set handles rubber and polyethylene insulation ( wall thickness 1 / 2inch to 2 inches) and meets states requirements with its construction The professional pipe insulation cutter set includes 6 ABS molded cutter ( 15mm / 22mm / 28mm / 40mm / 46mm / 53mm) for smooth cut on various pipe diameters, ideal for HVAC, industrial, and commercial refrigeration projects, Manufacturer: Kaeltsyn