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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Provides movement in all directions and up to 105 degrees either side of center
For boats to 25'
Ronstan Series 15 Double BB Block
Nylon slide liners
Sheave 1 9/16 in
Schaefer 1-1/4" x3/16" Twin Sheet Silver Lead Block SCHAEFER STAND-UP ADAPTERS Provides movement in all directionsProduct Description Schaefer 1 1 4" x3 16" Twin Sheet Silver Lead Block 32 98 Twin Sheet lead block. Clear anodized aluminum body and slider provide a high strength block. Aluminum sheave runs on nomex(tm) Teflon(tm) bearing for a low friction, high strength sheave. Articulating sheave allows for a proper lead. Pin stop makes adjustment simple. Specifications: Track Size: 1 1 4" x 3 16" (32 mm x 5 mm) Boat Size: Up To LOA, Displ., Sail Area: 38' (11.