2 razor-sharp carbide tipped cutting edges, fatigue proof steel body, PTFE non stick coating to keep resin and pitch away * Make true divided light doors for fine furniture or cabinets, sash bar windows and rail and stile constructions * Nice and smooth roundover and ovolo profiles to give an elegant touch to your furniture parts * Bits are equipped with a bearing guide for easy template work * 1/2 inch shank, cutting diameters are 1 1/4 and 1 3/16 inch, 15/32 inch cutting height and 1/4 inch radius