Virtually every project needs the edges softened. Whether you choose a little or a lot depends on the project and the look you want, but you almost always want "some". With radiuses of 1/16", 3/32", 1/8", 3/16", 1/4" and 3/8 in 1/4" shank and 7/16", 1/2", 5/8", 3/4", 7/8" and 1"