Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Marine Navigation & Instruments | Gauges 85 decibel output at 9

85 decibel output at 9 Volts

Sacrificial Anode: We use metals that are properly balanced & a composite shaft to ward off galvanic corrosion

The traditional CHIRP sonar has a power rating of 600 W and operating frequencies of mid-band CHIRP 80-160 kHz

Use 1/4" to 3/8" (6 mm to 9 mm) diameter nylon line

Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Marine Navigation & Instruments | Gauges 85 decibel output at 9Series 20 Ball Bearing Block Single, Stand Up Loop Top Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Applications: Dinghy control lines Dinghy vangs Cunninghams Traveler controls Materials: Stainless steel ball bearings UV stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting