Feature:1. Excellent High Speed Steel Material: Crafted from excellent high speed steel and treated with heat and blackening processes, the metal hole saws assorted kit not only offers exceptional strength and durability but also boasts resistance to oil and rust, ensuring long lasting performance and reliability in various cutting tasks.2. Enhanced Cutting Efficiency: Featuring super incisive sawtooth design, this electricians hole saw kit delivers faster and cleaner cuts, allowing for accurate and slick cutting through softwood, plastic boards, drywall, and thin PVC boards. The improved design guarantees superior cutting efficiency, making it a versatile tool for a wide range of applications.3. Convenient Storage: The hole cutter saw kit comes complete with a heavy duty storage box that is custom designed for secure and organized storage of all components. Each item in the kit has a designated slot in the box, ensuring they stay in place during transportation and storage, thus boosting work efficiency by saving time and minimizing the risk of losing parts.4. Longevity And Resilience: With its rugged high speed steel construction, the hole saw kit is built to withstand heavy duty use and provide lasting performance over time. The sturdy materials and construction ensure that the kit remains in optimal condition even after repeated use, making it a reliable for all your cutting needs.5. Multifunctional: Whether you are a handcraft enthusiast or a professional tradesperson, the metal hole saw set offers versatility and ease of use. Its sturdy construction, incisive cutting ability, and convenient storage solution make it an essential tool for a wide range of cutting tasks, providing efficiency, accuracy, and convenience in every project.Specification:Item Type: Hole Saw SetMaterial: High Speed Steel12 Blades: 19mm / 0.75in, 22mm / 0.87in, 28mm / 1.1in, 32mm / 1.26in, 38mm / 1.5in, 44mm / 1.73in, 54mm / 2.13in, 64mm / 2.52in, 76mm / 2.99in, 89mm / 3.5in, 102mm / 4.02in, 127mm / 5inMaximum Cutting Depth: Approx. 25mm / 0.98in.Package List:12 x Hole Saws2 x Arbors (Drill, Mandrels)1 x Mounting Plate1 x Hex Key1 x Storage BoxNote:Can be used with standard electric drills, impact drills, if very precise holes are required, use a sawmill, not suitable for hard metals, hardwoods or density boards. Not suitable for cutting depths greater than approximately 1 inch (25 mm).