Ronstan Series 40 BB Block, Fiddle, Becket Lewmar Size 3 NTR Track System Mainsheet Cars Dynamic and Seitech® have a

Dynamic and Seitech® have a different hole pattern at the top of the “side tube”

Peguet 6mm (1/4") Brass Standard Maillon Rapide Quick Link

Push button requires only 25 mm (1") clearance below mounting surface

Click Here for directions for use and material data sheet

and sidestay openings

Ronstan Series 40 BB Block, Fiddle, Becket Lewmar Size 3 NTR Track System Mainsheet Cars Dynamic and Seitech® have aProduct Description Ronstan Series 40 BB Block, Fiddle, Becket Product Information Sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Becket pin is removeable so line can be spliced prior to fitting and is ingeniously locked