ITEM CODE STEP NOS A’ TYPE LENGTH (mm/ft)
SS 04 4 984 3.23
SS 05 5 1228 4.03
SS 06 6 1478 4.85
SS 07 7 1778 5.63
SS 08 8 1960 6.43
SS 09 9 2207 7.24
SS 10 10 2438 7.99
SS 11 11 2678 8.78
SS 12 12 2919 9.57
SS 14 14 3159 10.36
SS 16 16 3399 11.14