CRL 1-1/8" Tandem Steel Sliding Glass Door Roller With 3/4" Wide Housing - D1791
The adjustable steel housing assembly on the CRL Glass Door Roller is 3/4 inch (19.0 millimeter) wide and 1 inch (25.4 millimeter) high. The two steel ball bearing rollers are 1-1/8 inch (28.6 millimeter) in diameter. The top mounting hole has a 1/4-20 thread. This assembly is used by several glass door manufacturers. One roller per package.