Side and top, 11/32" W. x 5/8" H. Aluminum screen frame to make replacement inserts that will operate in most main frames of triple track channels. Use with retainer spline model No. P7662 (Sku 261004). 72" length. No. PL14201 (Sku 269204); Mill, use with triple track bottom model No. PL14204 (Sku 269298). No. PL14203 (Sku 261736); White, use with triple track bottom model No. PL14206 (Sku 261742).