Profile rail, C-profile, with sloping sides, slot width 16 mm, unperforated. Matching U-clamps 1491A... can be used universally. Dimensions (approx. dimensions) H x t: 15 x 1.5 mm B to B1: 34 to 29 mm Slot width: 16 mm Delivery length L: 2000 mm Material: Steel, strip galvanized according to DIN EN 10346