Hdmann strut support features a unique weldless connection. The strut support eliminates welding and drilling, and is easily adjustable and reusable for infinite configurations. The strut supports can deliver a comprehensive engineered building and support system featuring a robust line of channels, fittings, fasteners, hangers, pipe clamps, and accessories. The common size of strut channel are 41*41and 41*21,but customization is also allowed.