RAM® Horizontal 12" Swing Arm Mount for Fishfinders & Plotters RAM-109V-B The clamp base will wrap

The clamp base will wrap around a maximum width of 4" and is tightened by screwing the two plates together with the included nuts and bolts

a 3 inch double socket arm

Includes a rubber cap for sealing from water when not in use

The RAM-137U

The RAM-101LU-D-246 consists of a 9 inch double socket arm

RAM® Horizontal 12" Swing Arm Mount for Fishfinders & Plotters RAM-109V-B The clamp base will wrapThe RAM double swing arm mount includes two 6" long bent swing arms mounted on a horizontal surface mounting base. At the device mounting end of the mount is a rectangular 6. 25 x 2" top base. The pivoting points of the mount allow a complete 360 degree rotation.