RAM® Large Marine Electronics Mount with Jam Nut - Short RAM-B-309-5 The base unscrews from the

The base unscrews from the pole

5" diameter round D size base with the universal AMPS hole pattern and 4" clamp base for square post mounting on forklifts

effective deployment and retrieval of your Lowrance StructureScan LSS transducer

or GPS units in most small aircrafts

RAM® Large Marine Electronics Mount with Jam Nut - Short RAM-B-309-5 The base unscrews from theThe RAM D 111U C MI1 consists of a 3. 68" diameter round base, SHORT double socket arm with jam nut 2 way lock and 11" x 3" rectangular base. The round base contains pre drilled holes, including two holes at 180 degrees and three holes at 120 degrees. The rectangle base contains different combinations of pre drilled holes which will match up to many electronic devices and mounts, including Marine GPS, CB Radios, Ham Radios, Gimbal Brackets and more.