Product Description 1-1/4 In. steel ball bearing roller with adjustable steel housing assembly. Used by Sun Valley, Full view, Glascock and other glass door manufacturers. Housing dimensions: thickness, 9/16 In.; length, 1-9/32 In.; height, 1-9/32 Ft.; overall thickness, 5/8 From the Manufacturer 1-1/4 In. steel ball bearing roller with adjustable steel housing assembly. Used by Sun Valley, Full view, Glascock and other glass door manufacturers. Housing dimensions: thickness, 9/16 In.; length, 1-9/32 In.; height, 1-9/32 Ft.; overall thickness, 5/8