1705280 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 12 Inch Width

1705281 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 18 Inch Width

1705282 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 24 Inch Width

1705283 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 30 Inch Width

1705284 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 36 Inch Width

1705285 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 16 Inch Width

1705286 - Heavy Duty Smooth Aluminum WideOpen® Step Boxes for Semi Trucks - 22 Inch Width