The Milwaukee 49-08-5270 Angle Grinder Type-Y Grease lubricates compatible angle grinder components to reduce friction during operation. This grease is applied to designated internal moving parts, forming a lubricating layer between surfaces as they move against each other. Proper lubrication reduces wear, supports smoother component movement, and maintains normal grinder operation. I... https://www.wholetoolbox.com/milwaukee-49-08-5270-angle-grinder-type-y-grease/49-08-5270.html