Sliding Patio Door Tandem Roller - 1-1/4" Material:Steel This grille fits a window

This grille fits a window with a visible glass size of 24" wide by 19 5/16" high

This sash has an unobstructed glass size of 31 inches wide by 27 15/16 inches high

This sash has an unobstructed glass size that measures 19-3/4" wide by 60" high

installers can easily increase or decrease the spiral balance length to achieve smooth

Andersen TW3462 (Lower Sash) White Exterior and White Interior High Performance LowE4 Tempered Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Sliding Patio Door Tandem Roller - 1-1/4" Material:Steel This grille fits a windowSliding Patio Door Tandem Roller 1 1 4" Works with multiple brands of sliding patio doors such as Acorn, Silver Line, Atrium, PGT and more that fit the specifications Available in steel or stainless steel Built with a side adjustable steel housing with steel concave ball bearing wheels Wheel diameter is 1 1 4" Note: Most patio sliding glass doors are designed with two roller assemblies, one at each bottom corner of the sliding panel. For the best