Lubrication is vital to the operation of any paintball marker. Most problems within paintball markers can be solved simply by lubricating the internals. Sleek lube has been a standard in paintball for some time. This Silicone Based Lube is used by many top Airsmiths. This is the larger 2 oz (57g) tube. Can be used on anything mechanical that would benefit from other greases or lubricants.