2 Pair Gliding Screen Door Roller Assembly Fits for Andersen Upper P/N #1997063 & Lower P/N #1997310 (1991 to Present), 1-1/4" Nylon Concaved Wheels, Edge Adjustable

Works with 200 Series and 400 Series Gliding patio doors., 1 Pair upper rollers (Part No. 1997063) work with 1 pair lower rollers (Part No. 1997310) at the same time., Perfect replacement pack for Andersen gliding insect screens manufactured from 1991 to present., Edge adjustment arm allows for easy and quick adjustments with a flat head screwdriver., No tools required to install, the roller housing has two tabs that lock under the frame to hold in place.