Harken USA shipping and receiving will be closed for physical inventory from 11:00 AM CST, Wednesday, September 28th through Friday, September 30th. Other departments will be available as usual. We will resume shipping and receiving orders on Monday, October 3rd.

mouseover to enlarge
75 mm Aluminum Flip-Flop Block 75 mm Aluminum Flip-Flop Block
click thumbnail to select

75 mm Aluminum Flip-Flop Block

Part No. 1987
$358.20  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)493 g
Weight (oz)17.37 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: 4277.pdf (open/save)
DWG: 1987.dwg (open/save)
DXF: 1987.dxf (open/save)
IGS: 1987.igs (open/save)
EPS: 1987.eps (open/save)
High-res JPG: 1987.jpg (open/save)

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

  • United States
  • Australia
  • France
  • Italia
  • New Zealand
  • Polska
  • Sverige
  • UK