Coral 42701 Endurance Double Arm Roller Frame 12\" The Coral 42700 Endurance Double Arm Roller Frame is the ideal paint roller frame for when you are applying coatings to walls, ceilings, and floors. Compatible with 12\" paint roller covers, because of a double arm with standard screw pin assembly. Features: Metal construction frame with 8mm attachment bars Double arm for balanced pressure and coverage Screw fitting for extension poles Screw release for easy cover changes Heavy duty for long life Compatible with roller covers using standard 8mm pivot holes Specification: Size: 12 x 0.32\" (305 x 8mm)