General description The Mophorn Annular Cutter Set is designed for precision cutting in various materials, including structural steel, stainless steel, aluminum, and brass. Made from durable M2AL high-speed steel, this set includes six Weldon shank cutters with diameters ranging from 1 to 2 inches, ensuring longevity and efficiency for your toughest tasks. The set comes with a portable case for easy transport and storage, featuring foam padding to protect your tools. 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 Compatibility and accessories Includes 6 drill bits Includes 2 pilot pins (6.34mm x 103mm) Includes a