Harken 75mm Carbo Ratchamatic Block with eight facet sheaves for a 10:1 purchase advantage.
Carbo Ratchets blocks 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 75mm carbo ratchet blocks are for asymmetric spinnakers on medium keelboats.
The 40mm, 57mm and 75mm Carbo Ratchamatic® is adjustable for many applications and weather conditions. The load-sensing ratchet block rolls freely in both directions under low loads, then engages the ratchet automatically as loads increase. With 180 degree wrap, you get a 10:1 holding power.
Hand-hold your loaded lines
Use for spinnaker sheet systems on dinghies, sportsboats, and medium keelboats
Ratchet blocks are hand and crew savers
Allows a line to be eased instantly with control
On/Off switch allows the ratchet to be turned off in light air
Hardkote-anodized aluminum sheaves
Stainless steel swivel shackle
Sheave Diameter: 2 15/16" (75 mm)
Max. Line Diameter: 7/16" (12 mm)
Max. Working Load (MWL): 750 lb. (341 kg)
Breaking Load: 3000 lb. (1361 kg)
Weight: 8.4 oz. (238 g)
Length: 5 3/8" (137 mm)
7/16 Inch or 11 mm
No Integral Cleat
5 5/8 Inches
Safe Working Load
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