Ronstan Series 60 BB Fiddle Core Block - Universal Head Product Type_Knives & Pocket Tools Formulated as mildew and high-temperature

Formulated as mildew and high-temperature resistant

cuts and tears to upholstery

and general household cleaning

Sandable and paintable

surface scratches

Ronstan Series 60 BB Fiddle Core Block - Universal Head Product Type_Knives & Pocket Tools Formulated as mildew and high-temperatureRonstan Series 60 Ball Bearing Fiddle Core Block, Universal Head RF64500 Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Integrated becket through the hub of the lower sheave Applications Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 11 m (36 ft) Various control line applications on larger yachts Alloy sheave