Access aid com. sleeve ladder side-rail

For attachment to the ladder-side rails from 50 x 20 to 60 x 25 mm (not for shaft ladders made of reinforced fibre glass), made of stainless steel V4A (1.4571), pickled and passivated, or galvanised steel, can be lowered, for attachment to the ladder side-rails from 50 x 20 to 60 x 25 mm