Professional grade grease gun has 3-way loading: 14 oz cartridge, suction, or fast refill from Alemite Loader Pump. Lever gun has a bleeder valve, vinyl handle cover that provides a sure grip, and a die-cast aluminum head which is rugged yet lightweight. Features rigid extension and coupler, loader fitting, and delivers 1 oz per 21 strokes. 10,000 psi (pounds per square inch). 16 oz cylinder capacity.