Anchor/profile rail model 2975, C-profile with sloping sides, with a central hole. Matching U-clamps (B... and BK...). Dimensions (approx. dimensions) H x t: 15 x 1.5 mm B to B1: 34 to 29 mm Slot width: 16 mm Profile perforation: 9 x 15 mm Delivery length L: 150 mm Material: Steel, hot-dip galvanized in accordance with DIN EN ISO 1461