ITEM NAME:4Pcs 45 Degree Chamfer Edge Forming Router Bit - 1/4" Shank Description: 45 chamfer and bevel cuts Router Bit. Two flute car.Chamfer bits are mostly used for edging, these bits can also be used to create miter joints of various angles. Cutting these angles into 2 adjoining pieces of wood will create miter joints. Highly sharpen, sharp cutting smooth no burr, no edge.