Park Tool GG-1 Grease Gun Park created the GG-1 for use as a self contained grease gun by using the included canister. You can also screw the pump on to any tube of Park Tool grease or anti-seize. Small tip opening ensures precise placement of lube in any application, and a spring loaded lever is easy to control. Features Multi use as self-contained gun, or attach to a grease tube Spring loaded handle makes grease easily dispensible Adjustable tip allows precise application Manufacturer's Part No: GG-1UPC: 763477003584 | Park Tool | Gg-1 Grease Gun Gg-1