When your Dremel, Foredom or similar brand motor tool is grumbling at you use Labelle Industries No. 302 PTFE Motor Tool Oil when you clean and re-lube it. Clean it first to remove tiny grit and dried-up lubricant. Labelle PTFE Motor Tool Oil has been formulated for the dirty environment a motor tool lives in. Just open it up, clean off all the old gunk and grit and re-lube with 430-302. You will smile when you hear it purring again. Useful for motor tools and all motorized bench top mini-power tools such as lathes, drill press, saws, laser cutters and engravers, 3-D printers as well as all desktop computer printers. PTFE Motor Tool Oil holds up well in temperature ranges from -45F to +450F.