Tab-Lok, 2" To 4" Telescoping Extension Pole, Smooth Fiberglass Exterior Pole With Rubber Handle Grip, Aluminum Tri-Oval Inner Slider Tube With Die Cast Metal Threaded Tip With Standard Threads For Paint Tools Like Roller Frames & Scrapers, Advance Or Collapse The Inner Slider Tube By Pressing The Tab-Lok Button & Sliding The Inner Tube Along Pre-Determined Positions, Lock The Tube In Place By Releasing The Button & Locking The Inner Slider In Position For Extended Use.