High quality Combo Sliding Screen Door Upper + Lower Roller Assembly

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.Commonly used to replace gliding patio door insect screen rollers assembly for Andersen 200 Series Perma-Shield Gliding, 200 Series Narroline Gliding, 400 Series Frenchwood Hinged, 400 Series Frenchwood Gliding and A-Series Gliding Patio Doors.2 pairs of lower + upper screen rollers included, we recommend replacing both rollers at the same time.Compatible with gliding insect screens manufactured from 1991 to present. Works with upper screen rollers part #1997063 and lower screen rollers part #1997310.