... customer 's nend ,such as different type,different size,different shape,different standard,and any special requirements with different bearing capacity ... '', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2 ... -w-2, 15-w-2 etc.3Twisted Cross Bar Pitch38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc4Material ...