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102 mm Aluminum Mastbase Block

Part No. 3123
$473.00  Limited Quantities In Stock
Sheave Ø (mm)102 mm
Sheave Ø (in)4 in
Maximum line Ø (mm)18 mm
Maximum line Ø (in) 11/16 in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 lb

Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.

Sheave Ø (mm)102 mm
Sheave Ø (in)4 in
Length (mm)130 mm
Length (in)5 1/8 in
Width (mm)41 mm
Width (in)1 5/8 in
Height (mm)130 mm
Height (in)5 1/8 in
Weight (g)708 g
Weight (oz)24.9 oz
Maximum line Ø (mm)18 mm
Maximum line Ø (in) 11/16 in
Number of fasteners
Fasteners (mm)16 HH mm
Fasteners (in)5/8 HH in
Maximum working load (kg)4990 kg
Maximum working load (lb)11000 lb
Breaking load (lb)22000 lb
Breaking load (kg)9980 kg
Manual: 4542.pdf (open/save)
DWG: 3123.dwg (open/save)
DXF: 3123.dxf (open/save)
IGS: 3123.igs (open/save)
EPS: 3123.eps (open/save)
High-res JPG: 3123.jpg (open/save)

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

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