Harken 2139 Single 57mm Carbo Ratchet Swivel Block w/150 Cam-Matic & Becket
Hand hold loaded lines and control release using 57 mm Carbo Ratchets. Machined aluminum sheaves have eight facets to hold line securely. The 55 mm provides up to 10:1 holding power.
Choose switchable ratchets for on/off control. For the ultimate system mount a switchable ratchet in the cockpit and a boom-mounted Ratchamatic® directly above to allow double holding power in heavy air and to ensure the mainsheet runs freely in light air.
- Main/jib sheets
- Spinnaker sheets
- Traveler controls
Sheave diameter: 2-1/4 in (57 mm)
Length: 4-15/16 in
Weight w/shackle: 9 oz
Max. line diameter: 3/8 in
Shackle pin diameter: 3/16 in
Safe Working Load: 600 lbs
Breaking strength: 1500 lbs
Safe working loads and breaking strengths based on cam strengths.
While we carry a ton of Harken hardware, some items are special order only. Call or email for details.