BR036 - Adjusts to hold roller covers 12 in. to 18 in. long with 1 1/2 in. standard or 2 1/4 in. jumbo diameter, all nap heights. Extra-strength wingnut design, perfect for floors or other heavy-duty applications. Rigid tubular steel frame arms; durable fiberglass-reinforced nylon body. Reinforced threads, Sherlock GT compatible. BR047 - Adjusts to hold roller covers 12 in. to 18 in. long with 1 1/2 in. standard or 2 1/4 in. jumbo diameter, all nap heights. Quick cam levers unlock and securely lock the frame arms—no loose hardware. Rigid tubular steel frame arms; durable fiberglass-reinforced nylon body. Extra-strength design weighs less than one pound. Reinforced threads, Sherlock GT compatible.