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TFB Standard Square-Back Wiper Dies

Our new wiper die finishing process provides extraordinary polished tube grooves and C.L.R. machined surface.

"Rule of Thumb" - With moderate thumbnail pressure, the leading edge of the wiper should be evenly deflected all the way round. One of many ways to separate the "men from the boys".

Large Ampco bronze wiper dies. Note reversible (double-cut) wipers.

After 20 years, our John Grizzle won’t ship a tool that isn’t typical TFB quality.

TFB quality assurance program was inspected and is certified by the largest manufacturer of commercial aircraft.