Ergonomic one-handed operation and a mess free application of your favorite greaseNew design includes adapter to work with newer larger port grease tubes from Pedro`sAdapter can be removed for use with older Pedro`s grease and other brands using 9/16-20 UNF tubesIdeally suited for injection into grease portsGun w/ 3oz GreaseUPC/EAN/GTIN: 790983298081