Clear Body Tubes are available as spare parts or for converting your existing grease gun. Fits most common styles. Match the color-coded grease gun to an OilSafe color-coded Grease Fitting Protector and ensure the right grease is applied to the right equipment.Clear body grease gun tubes are available in 10 colors or “Custom” with no color identification.(Clear Body Tubes with color identification enable accurate identification of a lubricant by providing visibility of the installed cartridge or the grease level if bulk filled.)