Heavy-Duty-Grease-Gun-Knuckle-Joint-Connector-Faithfull-FAIGGCONSL2-p-The-Faithfull-Heavy-Duty-Knuckle-Joint-Connector-is-designed-for-use-with-both-standard-&-industrial-hook-on-nipples-with-1-8in-BSP-thread-p-Faithfull-FAIGGCONSL2-Heavy-Duty-Grease-Gun-Knuckle-Joint-Connector