ASTRAL 139 Ladderspan to EN 1004. Available in 2 lengths - 178cm and 255cm Internal/External Use - Towers under 2.5m are outside of the scope of EN1004
A Type Ladder
Double Width Span 33 Stairway Tower
Single Width Span 50 Ladder Frame Mobile Tower
Single Width 6 Rungs (Span 33) Mobile Tower