needle adapter is useful to dispense a fine line of grease. 4" Quick Disconnect Lube Adapter for Hand-Operated Grease Guns From our extensive inventory of parts to the hundreds of service depots available nationwide our experienced team is committed to ensuring that the AFF brand stands for durability, safety, and customer care. Established in 1963, American Forge & Foundry (AFF) has provided value through our selection of highest-quality, "forge tough" heavy-duty and automotive service equipment.