The adjustable support poles are a great product. I've purchased 3 poles to prevent my pontoon boat cover from sagging and pooling with rain water. The poles are sturdy and extremely quick and easy to adjust pole length by just twisting, turning and locking to the desired length. These twist lock support poles were hard to find. Most other companies only had the push botton or screw tightning type mechanism. Luckily iboats.com had exactly what I was looking for!!
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