57mm Carbo Ratchamatic Flip-Flop Block
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Small Boat Flip-Flop Ratchamatic blocks pivot around the line axis to keep the line close to the deck.
Harken's high-load Flip-Flop Block has a low profile, lightweight pivoting lead that articulates from side to side. Its hinged construction allows for various lead angles in mainsheet systems, mast-base control lines and spinnaker halyards, keeping lines clean and close to the deck. Ratchamatic feature gives sailors the holding power of up to 15:1. Ratchet can be adjusted to higher or lower load depending on the sailor's strength, sailing style and system usage.
The Ratchamatic Flip-Flop is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase.
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Lightweight Carbo Ratchets are available in 40mm, 57mm and 75mm sizes. All the Carbo Ratchets feature a recessed On-Off switch that is easily operated from either side. The 40mm cam-arm versions work in ratchet mode only. Commonly 57mm Flip-Flop blocks are for halyard leads or mainsheet leads.
Key Features
- Hinged construction allows for various lead angles
- Aluminum hardcoat-anodized side plates
- Adjustable ratchet at higher or lower loads
- Ratchamatic blocks are hand and crew savers
- Allows a line to be eased instantly with control
- Hardkote-anodized aluminum sheaves
- Sheave Diameter: 2 1/4" (57 mm)
- Max. Line Diameter: 3/8" (10 mm)
- Max. Working Load (MWL): 500 lb. (227 kg)
- Breaking Load: 1000 lb. (554 kg)
- Weight: 5.5 oz. (156 g)
- Length: 4 5/16" (110 mm)
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