The Powerbuilt 8-Piece Assorted Universal Grease Fittings set includes a series of useful fittings for your grease gun. The set includes eight grease fittings in all. These fittings make it easy to lubricate bearings and meet specifications SAE J-534. Convenient drive fit design can be used by drilling holes and tapping fittings into place.Any automotive specialty tool makes an automotive repair or maintenance task easier, but Powerbuilt takes the concept of ‘help’ a big step further.Every package comes with professionally written usage instructions and photos that take you step by step through proper tool usage.Dependable Powerbuilt specialty tools offer power, precision and style. They meet or exceed applicable ANSI standards and have a lifetime warranty, all at affordable prices.