The 57 mm diameter lineup of Carbo Air blocks are low-friction, lightweight, strong, reliable and affordable.
Companions to the popular Harken Black Magic block line, these blocks have very high working loads for safe, easy trimming.
Lightweight, strong and reliable fiber-reinforced composite construction sideplates replace stainless steel straps. These densely packed glass fibers reinforce the resin for strength.
These smooth-running powerful performers make trimming easy, no matter how hard the wind blows.
57 mm Carbo Air blocks are of a size and style that will fit any system: singles, doubles, triples, quads, and quints; ratchets and fiddles; soft and hard attach.
Perfect for main, jib and spinnaker sheets on dinghies, sportboats and small keelboats; and control lines on boats of all sizes.
Ball bearings, sheave, and sideplates are UV-stabilized.
The T2 Loop block's On/Off loop system slides through the block head and over the anchor post for a secure connection. Soft attachment provides a fair lead and reduces friction.
This large 2-1/4" diameter all-composite T2 is the first block with no metal shackles or rivets to corrode. It can accommodate rope up to 7/16" (11 mm) in diameter.
A 57 mm Carbo ratchet can hold loaded lines and control their release. With a 10:1 holding power, it can hold 100 pounds of sheet load with 10 pounds of your effort.
This is an excellent option for 3:1 and 4:1 tackles, and the Air block design eliminates unnecessary material to reduce weight. Match with a 2624 57mm Carbo Fiddle Becket Block with Carbo-Cam for a 4:1 purchase or a 2601 57mm Single & Becket for a 3:1 purchase.
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CATEGORY: Harken 57 mm Carbo Air Blocks 
