Device box for concrete - magnet fix

Instrument box for cast concrete - installation depth 50 mm. The lid of the box adapted to insert the holding magnet SB-M1 for fixing the box to the metal formwork.  The possibility of fixing the lid of the box with nails or screws to the wooden formwork. Sealed connection of the lid with the box. Pipe inlets fitted with a sealing membrane to prevent the concrete penetration. Possibility of fixed connection of boxes with a pitch of 71 mm and 90 mm. The possibility of fixing the box to the reinforcement (metal armature) using SB-MK 1 mounting wings (not included in the delivery). The possibility of using a box for double-sided assembly - mutual fixation using steel rods 6 mm KBP-8 (not included in the package).