fischer Cast-in Channel System usually refers to cold-formed or hot-rolled channels with anchors of either I-shaped or round type welded or riveted to the channels. Nail holes in
the channel aid the fixing of the channel to wooden or other material formwork, inside the channel there are special form of fillers to prevent the ingress of concrete during casting
process. After that, the formwork and the fillers can be easily removed, and the specially designed channel bolt is used to connect various attached items.