Andersen 18210 Upper Sash with Sandtone Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / Sandtone Exterior The length of the arm

The length of the arm from the rivet to the elbow or bend is 9 3/8"

Andersen TW34210 (Upper Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW24310 (Lower Sash) Sandtone Exterior and Natural Pine Interior High Performance LowE4 Sun Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen TW2836 (Lower Sash) Forest Green Exterior and Natural Pine Interior High Performance LowE4 Glass (1992 to May 2010) Works with 400 Series Tilt-Wash Double-Hung Windows manufactured from 1992 to May 24

Andersen 18210 Upper Sash with Sandtone Exterior and Natural Pine Interior with Low-E4 Sun Glass Color:Pine Interior / Sandtone Exterior The length of the armAndersen 18210 Narroline Double Hung Upper Sash Sandtone Exterior with Natural Interior Works with Andersen Narroline Double Hung 1968 to 2012. This sash has a Sandtone Exterior with Natural Interior. This window sash has Low E Sun Glass. Low E4 Sun glass performs best in southern climates and can help reduce cooling cost by helping to block heat penetration and keep cool air in. This sash features a patented Flexacron finish. This three step process