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Harken 75mm Triple Carbo Ratchamatic Block w/Cam Cleat

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Updated: April 2025

MSRP: $548.50
$482.95
(You save $65.55 )
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SKU:
HR2685
Weight:
1.94 LBS
Shipping:
Calculated at Checkout.
Size:
75 mm
Manufacturer part #: 2685

Technical Description
Triple/150 Cam-Matic®
2 15/16 in
75 mm
6 3/16 in
137 mm
31.0 oz
879 g
5/16 in
8 mm
7/16 in
12 mm
1500 lb
680 kg
3750 lb
1700 kg
50 lb = 15:1
23 kg = 15:1
Note: Maximum working loads and breaking loads for blocks based on cam strengths.
The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Unloaded main and jib sheets run out freely during mark roundings and asymmetrical spinnakers free instantly during jibes.

Ratchet engagement may be adjusted to a higher or lower load according to strength and sailing style. The Ratchamatic® cheek block mounts on either port or starboard. The holding power of the 57 mm is as high as 10:1. The 75 mm is up to 15:1. For the ultimate system, mount a Ratchamatic® on the boom above a cockpit-mounted switchable ratchet to allow the mainsheet to run freely in light air and to double holding power in heavy air. power.

Use for:
  • Main/Jib Sheets
  • Asymmetric spinnakers