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57 mm Aluminum Mastcollar ESP Block 57 mm Aluminum Mastcollar ESP Block
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Cruising ESP Teardrop

57 mm Aluminum Mastcollar ESP Block

Part No. 6050
$66.30  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)850 kg
Maximum working load (lb)2100 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.

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)93.5 mm
Length (in)3 11/16 in
Weight (g)122 g
Weight (oz)4.3 oz
Clevis pin Ø (mm)8 mm
Clevis pin Ø (in)5/16 in
Maximum line Ø (mm)16 mm
Maximum line Ø (in) 5/8 in
Maximum working load (kg)850 kg
Maximum working load (lb)2100 lb
Breaking load (kg)1900 kg
Breaking load (lb)4190 lb
DWG: 6050.dwg (open/save)
DXF: 6050.dxf (open/save)
IGS: 6050.igs (open/save)
EPS: 6050.eps (open/save)
High-res JPG: 6050.jpg (open/save)

DO NOT use Harken Equipment for Human suspension.

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