For easy placement of a safety handrail scaffold tubes. The handrail plug 50 press after compacting in the fresh, slightly gelled concrete. Use in the still very plastic concrete anti-opdrijfring 'to increase to counteract buoyancy.
Because of its distinctive green color can be found easily. After hardening of the concrete open the lid and place the banister. Internal diameter is 50 mm.
Passes through its plug-in length of 150 mm to the requirements set by Aboma.