The Trend Draining Groove Jig is perfect for routing draining grooves in solid timber for Belfast type sinks Made from 12mm hardwearing CNC machined phenolic It provides a 05° fall with grooves at 50mm pitch and 455mm long With sight marks for lining up and three removable sloping runners for support There is also a cutter diameter check hole and fixing holes for user made stops for repetitious work Includes 1 x Cove Cutter and 1 x Guide Bush diameter 30mm Specification Fall 05° Groove Pitch 50mm Groove Length 455mm Slat Width 198mm