6 x 19; 6 x 15 S 6 x (1-7-7); 6 x 17 S 6 x (1-8-8); 6 x 19 S 6 x (1-9-9); 6 x 16 W 6 x (1-5-5+5); 6 x 19 W 6 x (1-6-6+6); 6 x 22 W 6 x (1-7-7+7); 6 x 26 WS 6 x (1-5-5+5-10); 6 x 21 F 6 x (1-5-5F-10); 6 x 25 F 6 x (1-6-6F-12); 6 x 29 F 6 x (1-7-7F-14)
Finish
U: bright; B: drawn galvanized; A: heavy galvanized