This set includes a round over bead, a Roman Ogee and a classical Roman Ogee profile. These designer profiles all have a cutting depth of 5/16". The round over bead has a 1/4" Radius, Roman Ogee has a 5/32" Radius and the classical Roman Ogee has a 3/32" Radius. The shank diameters are 1/4". Edge forming router bits add an artistic profile to the edge of furniture and table tops. Edging router bits can also be used to create small moldings that can be applied to many projects as well as crown molding build-ups. Edge forming router bits come in many shapes and sizes to meet the requirements of any style.