CE Smith 1-1/16" Vertical Aluminum Rod Holder This CE Smith Rod Holder is constructed of anodized aluminum for durability. The anodized finish provides corrosion resistance protecting its functionality and style. The horizontal clamp is designed to fit rails with a 1.05" outside diameter.Features: Vertical Clamp; Sleeve; Fits Rails with 1.05" Measured OD; Anodized Aluminum;