4.5 grams powdered graphite lubricant. Please see image for sizing, this is a small tube. Needle nose tube make small applications easy. Graphite powder can get messy, make sure to test on your key first. Provides a thin layer of Air and water between surfaces for lubrication. Keeps lock working smoothly when used sparingly. Just 1-2 small puffs is all you need! For pin tumblers, locks – not for hinges.