Smith Aluminum Clamp-On Rod Holder – Horizontal – 1.05 OD. Smith’s line of high polished aluminum clamp-on rod holders offer a great alternative to stainless steel. These rod holders are constructed of marine grade aluminum that has been 100% anodized for functionality and style.. These rod holders are constructed of marine grade aluminum that has been 100% anodized for functionality and style. Horizontal rod holder for 1.05 outer diameter (OD) rails. Made from durable aluminum material. Clamp-on design for easy installation and removal. Designed to securely hold fishing rods in place while boating. Please allow us the opportunity to resolve any issues before opening disputes and/or leaving feedback. If the item includes an ac power adapter for use, it will be 120 volts. Please ensure that this product is compatible with the standards within your country before purchasing.