Ronstan Series 60 Core Block - Single, Becket, Cleat, Universal Head rudder The 1850SA is constructed from

The 1850SA is constructed from aluminum which compared to its zinc counterpart equates to a weight savings of 40%

Sealed Switch

Corrosive resisting Anode option available with additional charge

vang and backstay applications on boats to 8m (26ft)

Series 60 mainsheet systems on sports boats using RF7 mainsheet swivel units

Ronstan Series 60 Core Block - Single, Becket, Cleat, Universal Head rudder The 1850SA is constructed fromCore Blocks are a true all round solution. A tuned 2 stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for