Old Alenco Window Glazing Bead Replacement and Repair Parts - Black - these are for the older Alenco Windows, and the glazing bead has a very narrow top , about 1/8" and comes available in White also. Black - # VGBTI-ORP120-B - a very hard to find old style profile from the 1980's, 1990's, 2000's  .. Available MINIMUM ORDER IS 120 LINEAL FEET Cut and Shipped in 72" Lengths; 

In the "comment section" at Checkout, specify if White is needed - OTHERWISE WE WILL SHIP BLACK