The Grease Joint Rejuvenator Kit is the quick and easy way to loosen a grease joint that's stuck. Just load the patented Grease Joint Rejuvenator with light penetrating oil, place it on the fitting, tap it with a hammer and you'll remove old, hardened grease from tough joints that won't take fresh grease. Limited lifetime warranty. Compatible With Clogged grease fittings, Storage Case Included Yes, Operating PSI Varied, Dimensions L x W x H in. 8 1/2 x 3 x 2, Includes Promodel, pocket model, flex hose, coupler, Accessory Type Grease fitting cleaner, Max. PSI 7,500, Pieces qty. 4, Fitting Size in. 1/8 in. NPTF, Length in. 8 1/2, Material Type Steel, Handle Type Steel, Swivel degree 180, Capacity Varied. Ideal for maintaining, cleaning and protecting bearings, control arms, joints, king pins and more Professional model for large farm and construction equipment 5in. flexible hose adapter for hard to reach fittings Pocket model for lawn mowers and other small equipment Includes additional grease coupler and custom storage case Fully machined, durable zinc chromate plated stress-proof steel construction