Material: galvanized steel, installation: wall or ceiling, high dimensional stability even when exposed to heat, therefore perfect for use in false ceilings, mounting hole: 6mm, closure type: bending closure for clamping, closure can be opened without tools, tested according to DIN 4102-12:1998-11 for laying fire protection cables, with general building inspection certificate, see www.protecclass.de, fire load-free, suitable for functional integrity
