product
mouseover to enlarge

Ratchet Carbo

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

Part No. HSB447
$217.00$98.69  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)816 kg
Maximum working load (lb)1800 lb

Find A Dealer

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

Sheave Ø (mm)57 mm
Sheave Ø (in)2 1/4 in
Length (mm)125 mm
Length (in)4.9375 in
Weight (g)445 g
Weight (oz)15.7 oz
Shackle pin Ø (mm)6 mm
Shackle pin Ø (in)1/4 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in) 3/8 in
Maximum working load (kg)816 kg
Maximum working load (lb)1800 lb
Breaking load (kg)2041 kg
Breaking load (lb)4500 lb
FootnoteMaximum working loads and breaking loads for blocks based on cam strengths. 
DWG: HSB447.DWG (open/save)
DXF: HSB447.DXF (open/save)
IGS: HSB447.IGS (open/save)

DO NOT use Harken Equipment for Human suspension.

  • United States
  • Australia
  • France
  • Italia
  • New Zealand
  • Polska
  • Sverige
  • UK