Ronstan Series 30 Ball Bearing Block - Single - Loop Top. . Formulated working with several of the most durable and long lasting materials in existence these Anchor & Docking through Ronstan offers you an item which will give you a great deal of consistency. Ronstan has been making high-quality merchandise for a very long time and the Ronstan Series 30 Ball Bearing Block is their very own approach to revealing just how much they are concerned. Right here at OpticsPlanet we make it our responsibility to purchase the best product for all of your requirements and presenting the Ronstan Series 30 Ball Bearing Block is one thing that we are pleased to offer. Specifications for Ronstan Series 30 Ball Bearing Block: Manufacturer: Ronstan Color: Black Features of Ronstan Series 30 Ball Bearing Block Low friction 2-stage ball bearing system provides consistent performance over the full working load range High static and dynamic load capacity Light weight Versatile head fittings Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction Can be fitted with a shackle in either of two planes to allow correct alignment of the block Applications: Primary lead blocks on dinghies and catamarans Control lines on larger yachts Materials: U.V. stabilized Acetal sheaves Acetal ball bearings Impact modified fiber reinforced and U.V. stabilized Nylon cheeks Grade 316 stainless steel load straps and head fittings : Sheave : 30mm(1-3/16") Max. Rope : 8mm(5/16") M.W.L.: 300kg(660lbs) B. L.: 750kg(1650lbs) Weight: 28g(1.0oz) Package Contents: Ronstan Series 30 Ball Bearing Block Ronstan RF30101: Series 30 Ball Bearing Block - Single - Loop Top