Riser 90°, side rails made of hollow profiles, with welded rungs made of C-profile that are open at the bottom with a 16 mm slot width and continuous hole perforation, for creating vertical 90° rises. Please order joint connector KRLV 60 F separately. for all-round cable ladder: KRC... Dimensions (approx. dimensions) H x W: 60 x 400 mm External dimensions: 450 mm Inner rail radius R: 240 mm Material: Steel, hot-dip galvanized in accordance with DIN EN ISO 1461