General description Engineered from robust M2AL steel, the Mophorn Annular Cutter Set includes six Weldon shank mag drill bits designed for exceptional longevity and performance. This set features a portable case with foam padding for secure transport and protection of your tools. The advanced geometric blade design allows for efficient layered circular cuts while minimizing energy consumption and wear. The included pilot pins ensure accurate positioning and stability during use. Technical specifications Blade Length (Including Shank): 86.5 mm / 3.41 in Cutting Depth: 50.8 mm / 2 in Cutting Diameter Options: 25.4 mm, 28.6 mm, 31.8 mm, 38.1 mm, 44.5 mm, 50.8 mm Material: High-Speed Steel M2AL Hardness: HRC 62.5-67.5 Net Weight (Including All Accessories): 1.73 kg / 3.81 lbs Shank Type: Weldon Shank Item Model Number: 10190010215 Carrying Case Dimensions: 280 x 235 x 70 mm / 11.02 x 9.25 x 2.76 in Usage These HSS mag drill bits are ideal for cutting materials such as structural steel,