... , 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x ... 4, 75 x 7 x 4, etc.2 ... , America standard is available < 1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1 ... '' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >3) Material ...