product
mouseover to enlarge

57 mm Triple Over-The-Top Block

Part No. 3004
$571.20  Limited Quantities In Stock
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb

Over-the-top blocks lead lines aft over cabin houses, coamings, and splashguards.

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)83 mm
Length (in)3 1/4 in
Width (mm)89 mm
Width (in)3 1/2 in
Height (mm)83 mm
Height (in)3 1/4 in
Weight (g)513 g
Weight (oz)18.1 oz
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Fasteners (mm)6 FH mm
Fasteners (in)1/4 FH in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb
Breaking load (lb)2272 lb
Manual: 4542.pdf (open/save)
DWG: 3004.dwg (open/save)
DXF: 3004.dxf (open/save)
IGS: 3004.igs (open/save)
EPS: 3004.eps (open/save)
High-res JPG: 3004.jpg (open/save)

DO NOT use Harken Equipment for Human suspension.

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