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Pressure on the line engages the ratchet mechanism
is ideal for halyard controls on large keelboats and as "head knockers" on dinghies and beachcats
but is strong enough to cope with poor leads
it will not burst or break suddenly
8 MHz Impedance: (ohms): 50 Gain: 6 dB Max Input (Watts): 100 DC Ground: YES Termination: SO - 239 Height (feet): 9
Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head Boat RS Aero Pressure on the line engagesSeries 40 Ball Bearing Block Triple Swivel Head Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Features a swivel shackle head for full 360 rotation Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Applications: Mainsheet Halyard Vang Spinnaker control lines