Faithfull P.T.F.E Tape is used by plumbers and heating engineers to provide a watertight seal on threaded joints. This invaluable tape is an essential component when working on all types of pipework, helping to ensure that a watertight seal is achieved and maintained on all threaded joints. Suitable for use on oil and fuel lines. This effective tape is a must for every toolbox. Satisfies BS 7786:2006 and BS 6920-1:2000 . WRAS Approved for portable water. Specification Width: 12mm Length: 12m Pack Size: 10