• Enables more efficient lapping of valves

• Automatic change of the direction of rotation

• Working speed range when using a drill: 1000 rpm ~ 1250 rpm

• 5 different rubber washers 16, 20, 30, 35 and 45 mm

• Ø0.8 mm shank for drill chuck

• Ø0.8 mm shaft for mounting a rubber pad.