Acouto Valve Lapping Tool Attachment Kit,Valve Lapping Tool Attachment with 5 Suction Plates 1000rpm to 1250rpm Universal for Grinding Small Engine Applications: 1pc small engine valve lapping tool attachment and 5pcs suction cup adapters can be used for your automotive, motorcycle, ATV, and small engine valves. Function: Use this tool to correct surface irregularities and eliminate subsurface damage of the new valves for a fit into the valve . Speed: The valve lapping tool attachment works from 1000rpm to 1250rpm Maximum, the direction can be changed automatically, easy for valve insertion. Use with a fine grinding paste (not included). Specification: Item Type: Valve Lapping Tool Attachment Kit Material: Metal + Rubber Fitment: Universal Working Speed: 1000rpm To 1250rpm Maximum Package List: 1 x Valve Lapping Tool Attachment5 x Suction Cup Adapters