The Lumax Heavy Duty Quick-Release Grease Coupler, No. LX-1403, has a compact, innovative design that enables it to firmly latch onto the grease fitting, enabling hands-free greasing in tight spaces, according to the company. The heavy duty quick release grease coupler locks on and creates a leak-proof seal. Pressurized fittings can be depressed by way of thumb lever and release of the coupler.The LX-1403 has a working pressure of 15,000 psi and burst pressure of 22,000 psi. The LX-1403 has fourhardened jaws to withstand high pressures without deformation. The company boasts no spurts or splashes when disconnecting.