Prime-Line D 1685 Adjustable Concave Edge Sliding Door Assortment, 1-1/2 in Dia X 5/16 in W, 1 Roller, quot 1-1/2in. O.D. Steel ball bearing center grooved roller Housing dimensions: W: 21/32in. L: 1-3/4in. H: 1-1/2in. Steel adjustable housing assembly Fits Adore Hi-Lite Aluminum glass doors