This fully adjustable boat cover support pole comes with a male canvas snap, a grommet tip, and a plain rubber crutch end cap, so you get 3 poles in one. If you have a female canvas snap or a grommet on your boat cover, this pole works to provide the support you need. This satin-finished, anodized aluminum pole comes in 3-pieces with secure cam locks for locking the pole at the desired height. Collapses down from 54" to 22" for easy storage.