RAM Quick Release Ball Adapter for Lowrance Elite-4 & Mark-4 Series (RAM-B-202U-LO11) (sku 55005)OVERVIEW The RAM B 202U LO11 includes a 1" diameter rubber ball and inserts directly to the back of Lowrance Elite 4, Mark 4 and Hook 4 Fishfinders. The adapter serves as a quick release mechanism, allowing you to remove or transfer your Fishfinder in seconds. BALL SOCKET SIZE B Size (1") WEIGHT CAPACITY 2 lbs MATERIALS Marine grade aluminum PACKAGING TYPE Poly Bag WEIGHT 0. 13 lbs. ADDITIONAL INFORMATION This product is not compatible with the