The Lumatic Lube-Shuttle One Handed Grease Gun has a zinc plated steel barrel for Lube-Shuttle system cartridges, with an ergonomically designed pistol grip. It is environmentally friendly with tool free cartridge opening via a screwcap, making the cartridge reusable. The design provides optimum use of all grease in the cartridge with fast, clean loading and unloading without opening the gun. Comes with RH-30C single wire hose and precision hydraulic connector, thread 1/8in. T&UumlV & DLG Approved. Maximum Pressure Capability 300 Bar/4,350 psi.