Description The Sentinel Heavy-Duty Tread-in posts are 49 in. overall length and are made to hold polywire, polyrope and polytapes (0.5 in. and 1.5 in.). These posts have excellent bending properties which allow the post to bend and return to the original position. Other posts will bend and break, while this one stays stable and usable.There are up to 8 positions for polywire, polytape or polyropeUV stable for long lifeEasy to useDurable