The MYwish HSS Bi-Metal Hole Saw Kit is engineered for unparalleled precision and durability, offering an essential set for both professional tradespeople and enthusiastic DIYers. These hole saws feature a robust High-Speed Steel (HSS) body combined with premium M42 cobalt steel teeth. This advanced bi-metal construction delivers superior cutting performance, exceptional heat resistance, and extended tool life when working through a variety of materials. This comprehensive 19-piece set includes 11 common hole saw sizes, ranging from 3/4" to 2-11/16", ensuring you have the right tool for plumbing, electrical, and general construction tasks. Complete with multiple drill bits, mandrels, and an adapter, this kit provides everything necessary for clean, fast, and high-torque drilling in wood, plastics, plasterboard, chipboard, and even thin metals. The included durable case keeps all components organized and protected, making it easy to transport to any job site.