Post Base Single Channel 2 Hole Standard for 1-5/8" Strut - Durable Zinc-Plated Fence Post Base.Post Base Single Channel 2 Hole Standard for 1-5/8" Strut features include: Secures strut assembly to floor or other surface 2 Mounting Holes 4" x 6" Base Galvanized Steel Order Qty of 1 = 1 Piece Below is more info on our Post Base Single Channel 2 Hole Standard for 1-5/8" Strut