This is a E-tab patio door roller assembly with a 1-1/8 in. concave steel ball bearing roller. As the corner screw passes through the E-tab it captures the roller assembly and positions it in the door's bottom rail. The housing is 19/32 in. wide with 7/8 in. dimples, 1 in. tall and 2-1/8 in. long. It features a rear adjusting screw. Used by Viking and a variety of other sliding patio door manufacturers

• Brand Name: Prime-Line
• Diameter: 1-1/8 in.
• Length: 5/16 in.
• Material: Steel
• Product Type: Roller Assembly
• Number in Package: 1 pk
• Hardware Included: Yes
• Packaging Type: Carded
• Compatibility: Patio Doors