These cutters sets are designed to make V-groovepaneling with a strong tongue and groove joint. Eachset can be used with 1/2″, 3/4″, and 1″ stock. Shimsare included to allow the thickness of the tongue toincrease as stock increases. UP190 cuts a V-grooveon both sides of the paneling, while UP191 only cutsa V-groove on one side.








