Top and sides, 11/32" W. x 5/8" H. aluminum window frame to make replacement inserts that will operate in most main frames of triple track channels. Use glazing vinyl model No. P7741 (Sku 267996). 72" lengths. No. PL14189 (Sku 269301); Mill, use with bottom model No. PL14192 (Sku 269336). No. PL14191 (Sku 261726); White, use with bottom model No. PL14194 (Sku 261727).