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75 mm Aluminum Flip-Flop Block — Lockoff 75 mm Aluminum Flip-Flop Block — Lockoff
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75 mm Aluminum Flip-Flop Block — Lockoff

Part No. 1989
$434.80  Limited Quantities In Stock
Sheave Ø (mm)76 mm
Sheave Ø (in)3 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 1/2 in
Maximum working load (kg)2273 kg
Maximum working load (lb)5000 lb

The low-profile Flip-Flop blocks are lightweight and can be used for various leads on your boat including halyard leads, mainsheet leads and spinnaker sheet leads.

Sheave Ø (mm)76 mm
Sheave Ø (in)3 in
Length (mm)152 mm
Length (in)6 in
Width (mm)72 mm
Width (in)2 7/8 in
Height (mm)100 mm
Height (in)4 in
Weight (g)598 g
Weight (oz)21.1 oz
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 1/2 in
Fasteners (mm)8 SH mm
Fasteners (in)5/16 SH in
Maximum working load (kg)2273 kg
Maximum working load (lb)5000 lb
Breaking load (lb)10000 lb
Breaking load (kg)4545 kg
A (mm)125 mm
A (in)4 15/16 in
B (mm)50 mm
B (in)1 15/16 in
Manual:  Flip-Flop Blocks (4277.pdf ) (open/save)
Drawing - DWG:  1989.dwg (open/save)
Drawing - DXF:  1989.dxf (open/save)
3D drawing - IGS:  1989.igs (open/save)
Photo - EPS:  1989.eps (open/save)
Photo - JPG:  1989.jpg (open/save)

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

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