The Powerbuilt Sealed Tip Dispenser is designed to lubricate your car’s grease plugs and small access holes. Features a rubber tip to seal entry hole. This tool attaches to a 1/8" NPT grease gun extension or flexible hose and should be used with hand operated grease guns.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.