Pole Ext Twstlok 3.3-6'' Size: 3' &ndash; 6' Aluminum slider &amp; handle combination provides a lightweight extension pole Anodizing prevents rust &amp; provides a smoother extension Nylar universal threaded end fits most standard threaded tools including paint rollers, edgers, dusters, &amp; much more Bi-directional locking mechanism locks in either direction at any extended length