Adjusts to hold roller covers 12 In. to 18 In. long with 1-1/2 In. standard or 2-1/4 In. jumbo diameter. Quick cam levers unlock and securely lock the frame arms, no loose hardware. Rigid, tubular steel frame arms and durable fiberglass reinforced nylon body, weights less that 1 pound. Reinforced threads, Sherlock GT extension pole compatible.