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57 mm Aluminum Double Block — Swivel, Becket 57 mm Aluminum Double Block — Swivel, Becket
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57 mm Aluminum Double Block — Swivel, Becket

Part No. 1961
$379.85$113.99 This limited quantity item sold out
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg)1633 kg
Maximum working load (lb)3600 lb

With high strength-to-weight ratios and free-rolling, high-load roller bearings, these versatile blocks are the workhorses of the Harken line.

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)152 mm
Length (in)6 in
Weight (g)302 g
Weight (oz)10.6 oz
Shackle pin Ø (mm)8 mm
Shackle pin Ø (in)5/16 in
Maximum line Ø (mm)12 mm
Maximum line Ø (in) 7/16 in
Maximum working load (kg)1633 kg
Maximum working load (lb)3600 lb
Breaking load (kg)3267 kg
Breaking load (lb)7200 lb
DWG: 1961.dwg (open/save)
DXF: 1961.dxf (open/save)
IGS: 1961.igs (open/save)
EPS: 1961.eps (open/save)
High-res JPG: 1961.jpg (open/save)

DO NOT use Harken Equipment for Human suspension.

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