Fits on Superlite Mfg. Patio Doors Fits on Superlite Mfg. Patio Doors The inner and outer housing of this CRL Sliding Glass Door Roller is held together with a flush pin (not a rivet). It has smooth sides and no flares. The steel ball bearing roller is 1-1/4 inches (38.1 millimeters) O.D. and 5/16 inch (7.9 millimeter) wide. The adjustable steel housing is 9/16 inch (14.3 millimeter) wide and 1-3/32 inches (27.8 millimeters) tall. This assembly fits on doors manufactured by Superlite Mfg.. Minimum Order: 1 Package Each package contains one roller assembly.