Schaefer Single 2 3/8" Aluminum Block with Alum. Sheave Triple Sheave(55mm) Radio Frequency welded seams ensure

Radio Frequency welded seams ensure complete waterproofness

Mainsheet - Marlow Blue Ocean

06" J30 J-Lock Shackle

Do not iron on print

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Schaefer Single 2 3/8" Aluminum Block with Alum. Sheave Triple Sheave(55mm) Radio Frequency welded seams ensureProduct Description Schaefer Single 2 3 8" Aluminum Block with Alum. Sheave Single block with anodized aluminum cheeks and aluminum sheave. Aluminum sheave runs on nomex(tm) Teflon(tm) bearing for low friction and high strength. Swivel head may be locked in place to eliminate twist. For boats to 34'. Works with all 7 series adapters for a variety of applications. Specifications: Sheave Dia: 2 3 8 in. (60 mm) Thickness: 1 3 32 in. (28 mm) Width: 2 1 2