Set of two sturdy metal hose pinchers for temporarily sealing off vacuum lines and fuel lines, leaving your hands free to make repairs. Simply twist the wing nut to pinch the hose between the jaw and the tool body, cutting off the flow of air or fuel until you are ready to release it. Fits most hoses up to an inch in diameter.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 meet or exceed applicable ANSI standards and have a lifetime warranty, all at affordable prices.