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57 mm Ratchet Block — Swivel, Cam Cleat 57 mm Ratchet Block — Swivel, Cam Cleat 57 mm Ratchet Block — Swivel, Cam Cleat 57 mm Ratchet Block — Swivel, Cam Cleat
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57 mm Ratchet Block — Swivel, Cam Cleat

Part No. 2138
$174.75  In Stock
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)136 kg
Maximum working load (lb)300 lb

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.

FootnoteMaximum working loads and breaking loads for blocks based on cam strengths. 
Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)103 mm
Length (in)4 1/16 in
Weight (g)247 g
Weight (oz)8.7 oz
Shackle pin Ø (mm)5 mm
Shackle pin Ø (in)3/16 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)136 kg
Maximum working load (lb)300 lb
Breaking load (kg)340 kg
Breaking load (lb)750 lb
Holding power10:1 
Drawing - DWG:  2138.dwg (open/save)
Drawing - DXF:  2138.dxf (open/save)
3D drawing - IGS:  2138.igs (open/save)
Photo - EPS:  2138.eps (open/save)
Photo - JPG:  2138.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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