Model G300 adapterHome → Products → Lubrication → Lubrication / Manual And Automatic → Manual Grease Guns → Grease Fittings And Accessories → Grease Couplers → Model G300 adapter To Order Call:216.749.5100216.749.5100 For use with most hand-operated grease guns and equipment 1/8 in. NPT 4-jaw design