1000L Liquid compound. 1000L is great for use by hand or with a buffer. Developed for eighteen-wheeler polishing, this compound is excellent for use on: chrome, aluminum, stainless steel, brass, copper, and is fine enough to be used on silver and gold. The demand for this product has grown into motorcycles, race cars, trucks, show cars, and home use. 1000L is effective and extremely mild on every metal product you own.