This set includes 3 superior quality spiral up cut Router bits made from premium solid micro-grain carbide. for use on soft and hard woods, ply-woods, composites, laminates, plastics and some non-ferrous metals. Ideal for grooving, dado cuts and mortise and tenon joints. Can also be used for slotting. Bit 1: Shank-1/4 in. Cutting Diameter:1/4 in. Cutter Height: 1 in. Overall Height: 2-1/2 in. Bit 2: Shank: 1/2 in. Cutting Diameter: 3/8 in. Cutter Height: 1-1/8 in. Overall Height: 3 in. Bit 3: Shank: 1/2 in. Cutting Diameter: 1/2 in. Cutter Height: 1-3/8 in. Overall Height: 3 in. Bits produce fast, clean and accurate cuts and will stay sharper longer. Up cut spiral provides for excellent chip removal pulling chips up and away from your work towards the router. Set includes a beautiful solid wood storage case. Up cut endmills are great for all standard milling and material removal. These bits pull the wood chips up and away from the tool path which helps prevent tool breakage and extends the life of the bit. If a particular finish is required for your project, use a down cut or compression cut end mill for the final pass.