Untitled Document Set of 4 Valve Grinding Sticks for lapping valves. High quality suction cups with wooden handles ..much better grip than some of the cheap plastic handled tools. Complete with a tub of Fine & Coarse Compound Grinding Paste. Grade Fine/Coarse. The fine compound contains grains of 60 micron size or less and the coarse compound is a mix of grain size 106-150 microns. Contents approx 60 grm / Pot The packaging of the Grinding Paste will be different to the picture but the contents will be the same!!!.