C.R. LAURENCE TSW1750T CRL Duo-Vent Four Panel Slider with Dark Gray Glass for 1972-1979 Ford Ranchero,C.R. Laurence,TSW1750T" /> "Original" Four Panel Design Gives the Widest Possible OpeningFully Contoured Powder-Coated Aluminum Frame with Narrow Stiles and Tight-Sealing WeatherstripSome Models Available in Up to Four Glass Colors