Anchor/profile rail model 2916, C-profile, unperforated. Matching U-clamps (BA... and BAK...). Dimensions (approx. dimensions) H x W x D: 12 x 28 x 2 mm Slot width: 12 mm Delivery length L: 4000 mm Material: Steel, galvanized according to DIN EN ISO 2081, thick-layer passivated