The Milwaukee 49-08-5270 Angle Grinder Type-Y Grease lubricates internal moving components in compatible angle grinder assemblies. It helps reduce friction between contacting parts, supporting smooth movement and limiting wear during tool operation. Proper lubrication also helps maintain the performance of the grinder's mechanical components. Applying the specified grease during maint... https://www.wholetoolbox.com/milwaukee-49-08-5270-angle-grinder-type-y-grease/49-08-5270.html