Ronstan Series 50 All Purpose Block - Single - Universal Head Boat J/80 With three levels of integrated

With three levels of integrated distress signaling technology – GPS positioning

Ball bearing swivel bases feature dual rows of Delrin¨ ball bearings that swivel freely even under high loads

and detailed weather reports sent directly to your smartphone via satellite

Connects up to 15 OLAS Transmitters (OLAS Tags or OLAS Float-On)

4' VHF Antenna 3dB with FME Termination

Ronstan Series 50 All Purpose Block - Single - Universal Head Boat J/80 With three levels of integratedSeries 50 All Purpose Block Single Universal Head All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock universal head can be fixed in either of