With the RAILBLAZA Fish Finder Mount R-Lock R, it's easy to mount your fish-finding unit where it's within reach and able to see what's going on beneath the water's surface with a quick glance. Thanks to its universal top mount, most fish finders on the market today can be easily secured in for your next fishing adventure. At its base, this fishing accessory locks in using a StarPort mount, which matches up with any RAILBLAZA StarPort mount (not included). The strong, jointed arm adjusts in 15 increments, and it's able to turn in 360 at the top and bottom of the arm, so this highly versatile fishing electronics mount, with R-Lock lockable joint, can be locked in at the exact position you need. Made of UV-stabilized fiberglass-reinforced plastic. Max Wt. Cap.: 3.3 lbs. Universal top mount secures most fish finder units Jointed arm adjusts in 15 increments Top and bottom of arm turns 360 R-Lock lockable joint StarPort mount at bottom UV-stabilized fiberglass-reinforced plastic