Taylor Made Products 36" to 64" Super Support Marine Pole fully adjustable support pole is 3 support poles in one! Regardless of how your boat cover is designed to work with a support pole, this will do the trick. We supply a male canvas snap, a grommet tip, and a plain end cap with this Super Support Pole. So, if you have a female canvas snap or a grommet on your boat cover, you can get a support that will work with your cover. The pole is aluminum, with a durable plastic adjuster to set the correct height for your cover. Adjusts from 36 inch to 64 inch.