Product Info Catalog Hardware Door Door Repair Sliding Glass Door Tandem Roller Assembly Sliding Glass Door Tandem Roller Assembly Sliding Glass Door Tandem Roller Assembly Sliding Glass Door Tandem Roller Assembly Request a Quote UPC: 78874132035 SKU: 217350 Model Number: 132403 Sliding Glass Door Tandem Roller Assembly. 1-1/4" Tandem Steel Ball Bearing Concave Rollers with Adjustable Steel Housing Assembly. Roller Width 5/16". Plain Back Mounting Tab Type. Housing Height 1-1/32", Width 11/16" and Length 3-1/8".