handle of roller brush F8 The diameter is 5.7mm, 6mm, 7mm, 8mm different paint rollers for you to choose. professinal paint roller, paint brush,roller handle supplier We have frames of chrome-plated, zinc-plated,nickel-plated paint roller, paint brush,roller handle. The diameter is 5.7mm, 6mm, 7mm, 8mmAmerican-style handle F8