Big Jon's "Multi-Set Rod Holder" is one of the most popular rod holders on the market; For good reason, not only is it among the most solid built rod holders available, it is so easy to use, that you can adjust it to any of it's nine positions, with just one hand! This Multi-Set rod holder mounts to Big Jon rod holder trees (1-1/2 in. dia.). It can be Custom Ordered to fit radar arches (up to 2 in.) by contacting our Service Department. Big Jon precision machines this rod holder from high-strength aluminum, for a perfect fit and smooth operation. It is given a bright anodized finish that will resist corrosion and then it is fitted with durable vinyl caps to prevent wear to your fishing rod handles.