Online ordering is temporarily closed for a system upgrade. Please contact customer service to place an order.
mouseover to enlarge
57 mm Stainless Steel ESP Footblock — Lockoff 57 mm Stainless Steel ESP Footblock — Lockoff 57 mm Stainless Steel ESP Footblock — Lockoff
click thumbnail to select

57 mm ESP

57 mm Stainless Steel ESP Footblock — Lockoff

Part No. 6070
$253.15  Limited Quantities In Stock
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)16 mm
Maximum line Ø (in) 5/8 in
Maximum working load (kg)1000 kg
Maximum working load (lb)2205 lb

Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.

FootnoteIf double stacked, upper block/organizer is two-thirds of listed MWL and breaking load. 
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)132 mm
Length (in)3 3/4 in
Weight (g)255 g
Weight (oz)9 oz
Maximum line Ø (mm)16 mm
Maximum line Ø (in) 5/8 in
Maximum working load (kg)1000 kg
Maximum working load (lb)2205 lb
Breaking load (kg)2000 kg
Breaking load (lb)4409 lb
Maximum lockoff load (kg)295 kg
Maximum lockoff load (lb)650 lb
Fasteners (mm)10 FH mm
Fasteners (in)3/8 FH in
A (mm)50 mm
A (in)1 31/32 in
B (mm)55 mm
B (in)2 5/32 in
C (mm)57 mm
C (in)2 1/4 in
Manual: 4638.pdf (open/save)
DWG: 6070.dwg (open/save)
DXF: 6070.dxf (open/save)
IGS: 6070.igs (open/save)
EPS: 6070.eps (open/save)
High-res JPG: 6070.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