No mix-up of load classes is possible; the system is designed so only what belongs together actually fits together.Halfen Cast-in channels Anchoring & Fixing Systems for fixing secondary fixtures to concrete, including anchor channels, bolts and inserts; also tension rod systems for roofs and canopies. Discover moreInnovative Product Line Tension and compression rod systems Anchoring & Fixing Systems for fixing secondary fixtures to concrete, including anchor channels, bolts and inserts; also tension rod systems for roofs and canopies. Discover moreInnovative Product Line Curtain Wall system Anchoring & Fixing Systems for fixing secondary fixtures to concrete, including anchor channels, bolts and inserts; also tension rod systems for roofs and canopies. Discover moreHalfen software now for more security when planning. The software will help you with precise dimensions and selecting the right product combinations.