Plews LubriMatic™ 55123 Heavy-Duty Barrel Pump, Delivers 10 Oz Fluid Per StrokeTwo piece telescoping suction tube fits 30 to 55 gallon drums. Dispenses approximately 10 oz. per stroke. With standard bung adapter, all steel foot valve and piston valve. Spout OD 3 4". With standard garden hose thread discharge spout. Heavy duty barrel pump Delivers approximately 10 oz of fluid per stroke Die cast head 2 step die cast barrel adapter fits most barrels Epoxycote finish Piston valve & tube seal all nylon Telescoping tube fits from 30