This HSS bi-metal holesaw features 8% cobalt for enhanced durability and a long service life, making it ideal for cutting various materials including stainless steel. It fits standard arbors and is designed for professionals like electricians and plumbers. This single hole saw can be used for multiple tasks, cutting holes in softwood, drywall, plastics, metal pipes, profiles, and non-ferrous metals. The enhanced tooth design ensures fast and smooth cuts, lasting up to two times longer than standard HSS M3 hole saws. With a 44mm cutting depth, it's effective for steel cladding and drywall, making it a dependable all-rounder for interior construction and installation. Key features include Pro performance with high-speed steel and 8% cobalt, a long life, a 44mm cutting depth for various construction materials, multi-material cutting capabilities, a new slot design for easier plug removal, and standard arbor fitting for rotary or impact drills/drivers.