Prime-Line 1-1/4 in., Steel Roller Assembly with Ball Bearing and Plain Back Housing, Blomberg

This is a plain back patio door roller assembly with a 1-1/4 inch concave or grooved steel ball bearing roller. It has a plain back housing that is 11/16 inch wide and 1-1/4 inch tall with a flare width of 13/16 inch with a rear adjusting screw. Features a 1/4-20 machine thread mounting hole on the plain back end and a #10-32 threaded optional use hole on the top. Used by Blomberg and a variety of other manufacturers of vinyl and metal sliding 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