1Rugged Hardened Carbon Steel Body: Rugged hardened carbon steel body with non rebound design, accumulation and heat resistant PTFE coating 2Heat Treated Alloy Blades: Good quality alloy blades are heat treated, sharper, more durable, accurately balanced and run smoothly 3Make Bowls And Trays: Round nose bit is very suitable for making small bowls, coin trays, jewelry boxes, fly tackles boxes and more crafts 4For CNC And Desktop Router: Core box router bit is used for CNC, desktop router, can cut all composite materials, such as plywood, hardwood and softwood 5With Storage Box: 1/4in shank diameter with 5/8in blade depth, equipped with storage box, convenient for you to use, carry and storeItem Type: Round Nose BitMaterial: Main Body: Carbon steel, Bit: AlloySpecification: Shank Diameter: 1/4inBlade Depth: 5/8in3 x Round Nose Bit3 x Storage Box