Standing Seam Anchor is available in 3 lightweight aluminum base plate sizes to fit panel seam widths of 8-1/2 to 26-1/2 in wide. 3rd party tested to withstand a 5000 lb force in the specified load direction. Use with SAS No.1208 seam clamp or No.8511 RCT seam clamps for a wide range of standing seam profiles.