Wolfpack PTFE tape 12 mm. x 10m. -Scotch tape. -Width x length: 12 mm. x 10 meters. -PTFE is a material used in plumbing to prevent leaks. It is a type of adhesive tape that is used on the threads. Ensure that the joints between pipes and the joints of the taps and stopcocks are watertight. It is enough to turn the thread several times for the PTFE tape to set and act as a barrier against water. -Minimum sales unit Package 10 rolls. -Article of similar use to that popularly known as Teflon.