FORESPAR 104017 QUICK RELEASE TWIST LOCK TILLER TAMMER EXTENSION MODEL# TFP-M. The industry standards are set by Forespar's complete line of hiking sticks with designs and lengths to satisfy every sailor. This telescoping model of twist-lock tiller extension is a Quick-Release version. This model can be instatnly fastened to the tiller by simply depressing the plunger and inserting the detent pin into the special tubular fitting supplied. Again, an easy push on the plunger and the hiking stick is released from the tiller. Stow it or take it home with you. It's fast, simple and secure. Telescopes 27 to 48.