Features and Benefits:

• Four hardened spring steel jaws and a high-quality sealing gasket provide a leak-proof connection
• Made of high-quality chrome vanadium steel, strong durable, and rust-resistant
• 2-1/2 in. extended reach works well with recessed and all SAE and Metric Zerk fittings
• 1/8-NPT female thread, 12,000psi capacity, 14mm diameter


Well-designed high-pressure coupler delivers lubrication, forcing it into bearings and joints. Widely used by mechanics, engineers, maintenance crews, and home hobbyists. Simply turn the knurled swivel handle with a finger, you can lock on or release grease fittings in seconds.