- Heavy duty grease gun for one hand operation - 2-way loading, cartridge or bulk load - Equiped with 3-1/2 in. grease pipe and coupler - Zinc die cast head assembly, heavy gauge barrel with slip resistant painted cover - Pistol grip parts are zinc plated - Plunger shaped for three way loading - Plunger rod with Posi-Lok feature - 4 jaw hydraulic coupler - Develops up to 5,000 PSI - With 12 in. flexible hose - Maximum 400g/14 oz