Draper-Expert-16156-Quick-Release-Grease-Connector-Draper-Expert-16156-Expert-Quality-grease-gun-connector-fitted-with-a-sliding-sleeve-easily-operated-by-a-thumb-lever-This-simple-yet-highly-effective-mechanism-allows-for-one-handed-locked-on-operation-Designed-for-use-with-any-type-of-grease-gun-up-to-a-maximum-pressure-of-8-000PSI-550BAR-including-manual-pneumatic-cordless-&-industrial-Works-with-all-styles-of-head-profile-grease-nipples-in-metric-&-SAE-Fitted-with-1-8-BSPT