General description The Mophorn Annular Cutter Set is designed for effortless cutting in various projects. Made from high-quality M2AL steel, these mag drill bits provide exceptional durability and performance. The set includes a portable case lined with protective foam for safe transport, and features a unique geometric blade design that enhances energy efficiency while reducing wear and preventing breakage. The innovative center pins secure your workpiece for accurate positioning, making this set a versatile choice for professionals and DIY enthusiasts alike. Technical specifications Blade Length (Including Shank): 86.5 mm / 3.41 in Cutting Depth: 50.8 mm / 2 in Net Weight (Including All Accessories): 1.73 kg / 3.81 lbs 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 Item Model Number: 10190010216 Shank Type: Universal Shank Carrying Case Dimensions: 280 x 235 x 70 mm / 11.02 x 9.25 x 2.76 in