The Millennium Marine Spyder-Lok Rod Holder easily accommodates 4 rods with its 20 crossbar. It features an all aluminum anodized construction which is great for salt or fresh water. Smooth and easy pole angle adjustment. Includes 4 rod holders. Easy two knob removal. Mounting plate is flush with carpet – No more stumped toes. Can be used with the Spyder-Lok Track System product. No tools necessary for use. Patented Spyderlok Technology insures tight. Exclusive height adjustable crossbar 12′ – 20. 360° rotational cross bar. 360° rod holder rotation. Sure lock adjustments with SpyderLok teeth. Designed for Spyder rigging. For pushing or pulling crank baits. Fast or slow troll with easy. Rugged design built to handle what you throw at it.