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125 mm Aluminum Loop Block

Part No. 3255
$716.00  Not available on-line. Please contact your Harken dealer.
Sheave Ø (mm)125 mm
Sheave Ø (in)4 15/16 in
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 lb

The entire line of Black Magic Air blocks has been redesigned with a sleek new look. Their unique, performance-packed engineering remains exactly the same. These strong, lightweight blocks feature free-rolling, high-load Torlon® roller bearings for a high strength-to-weight ratio. The soft-attachment Loop block has a removable deadend post for attachment to a padeye. Lashings can also be used.

Torlon is a registered trademark of Solvay Advanced Polymers.

Sheave Ø (mm)125 mm
Sheave Ø (in)4 15/16 in
Length (mm)163 mm
Length (in)6 in
Weight (g)674 g
Weight (oz)23.78 oz
Maximum line Ø (mm)19 mm
Maximum line Ø (in)3/4 in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 lb
Breaking load (kg)9977 kg
Breaking load (lb)22000 lb
Manual: 5004.pdf (open/save)
DWG: 3255.DWG (open/save)
DXF: 3255.DXF (open/save)
IGS: 3255.IGS (open/save)
EPS: 3255.eps (open/save)
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