This is a plain back patio door roller assembly with a 1-1/4 in. concave or grooved steel ball bearing roller. It has a plain back housing that is 9/16 in. wide with a 13/16 in. flare and 1-3/16 in. tall. It is rear adjusting with a threaded mounting hole on the back end. It is used by Nu-Air, Bennings, Scotty and a variety of other sliding patio door manufacturers.

• Brand Name: Prime-Line
• Diameter: 1-1/4 in.
• Length: 2 in.
• Material: Steel
• Product Type: Roller Assembly
• Number in Package: 1 pk
• Hardware Included: Yes
• Packaging Type: Carded
• Compatibility: Nu-Air, Bennings, Scotty and a variety of other