Dimensions Adjusts from 37" to 64" Description 3-in-1 adjustable support pole Quick, easy boat cover center support. 1" diameter anodized aluminum pole telescopes to raise cover. Locks and unlocks with a twist. Rubber tips at both ends. 3-in-1 design allows you to minimize inventory. Three different tips snap on to the same adjustable pole to work with a variety of cover setups. Comes with pole, rubber cap, grommet tip, and male canvas snap.