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3.00" Double Block — Swivel, Becket, Cross Block

Part No. 400
$309.15  In Stock

Harken® gross-trim/fine-tune mainsheet systems are easy to install and use. These optimized systems decrease overall line clutter because they use less line than traditional gross-trim/fine-tune systems.

Primary sheave Ø (mm)76 mm
Primary sheave Ø (in)3 in
Secondary sheave Ø (mm)57 mm
Secondary sheave Ø (in)2 1/4 in
Length (mm)241 mm
Length (in)9 1/2 in
Weight (g)625 g
Weight (oz)22 oz
Drawing - DWG:  400.dwg (open/save)
Drawing - DXF:  400.dxf (open/save)

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.

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