Prime-Line Keller Sliding Glass Door Roller Assembly

This is a plain back patio door roller assembly with a 1-1/2 inch concave steel ball bearing roller. It has a plain back housing that is 3/4 inch wide and 1-1/8 inch tall with a 13/16 inch flare. It is rear adjusting with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on top. It is used by Keller and a variety of other manufacturers of patio doors.

• Steel rollers for long lasting durable use
• Ball bearing roller for a smooth sliding action
• Grooved edges allow easy gliding over a raised edge