Black Widow Ultra Spider Rigging System holds up to four rods. Made of 2'' heavy-duty tubing, 18'' tall. Top bar is 16'' long. Includes 4 - 5610 rod holders and a 4-1/2'' mounting track. Mounting track DOES NOT include mounting hardware. This heavy-duty Spider rigging system allows you to spread your rigs for trolling or pulling. The 18" tube may be cut down to desired height using self tapping screws to tread. "More Lines ~ Less Trouble"