The Alltrade 648448 is a 2-Piece Double Cup Valve Lapping Tool. Features: For hand lapping valves and valve seats. Hardwood handles. 9-Inch tool with 1-1/8-Inch and 1-3/8-Inch cups, 8-Inch tool with 5/8-Inch and 13/16-Inch cups. Synthetic rubber cups are resistant to chemical agents. Non-slip cups are groo
