The Radpole is an ultimate all-in-one mounting system, hosting your navigation light, camera mount, video mount, RAM Mounts fishing rod holders and rod tubes, GPS mount and more. Radpole arms are available from 14" to 31" from the center of the lower socket to the center of the upper socket. It is manufactured for use in outdoor terrain, freshwater and saltwater environments. Radpole kit includes all stainless steel mounting hardware - bolts, washers, locknuts and a drill bit for easy do-it-yourself installation.