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Low friction 2-stage ball bearing system provides consistent performance over the full working load range. Ideal for mainsheet, halyard, vang and spinaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 26 ft.
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Ronstan Series 40 Block, Single
Ronstan Series 40 Block, Single with Universal Head
List Price: $22.22
Our Price: $18.89
Ronstan Series 40 Block, Single
Ronstan Series 40 Block, Single with Loop Head
List Price: $16.91
Our Price: $14.37
Ronstan Series 40 Block, Single
Ronstan Series 40 Block, Single with Becket/Universal Head
List Price: $25.58
Our Price: $21.74
Ronstan Series 40 Block, Double
Ronstan Series 40 Block, Double with 2-Axis Shackle Head
List Price: $45.91
Our Price: $39.02
Ronstan Series 40 Block, Double
Ronstan Series 40 Block, Double with Becket/2-Axis Shackle Head
List Price: $49.17
Our Price: $41.79
Ronstan Series 40 Block, Single
Ronstan Series 40 Block, Single with Becket/Adjustable CLeat/Universal Head
List Price: $68.24
Our Price: $58.00
Ronstan Series 40 Block, Stand-up
Ronstan Series 40 Block, Stand-up with Swivel head
List Price: $28.10
Our Price: $23.89
Ronstan Series 40 Block, Cheek
Ronstan Series 40 Block, Cheek
List Price: $23.06
Our Price: $19.60
Ronstan Series 40 Block, Fiddle
Ronstan Series 40 Block, Fiddle with Universal Head
List Price: $31.47
Our Price: $26.75
Ronstan Series 40 Block, Fiddle
Ronstan Series 40 Block, Fiddle with Becket/Universal Head
List Price: $35.98
Our Price: $30.58
   
 
Svendsen's Marine
1851 Clement Avenue
Alameda, CA 94501
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