Block, Double Carbo Air 40mm MaxLine: 10mm with Swivel & Becket

Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows. Carbo blocks are perfect for the small-diameter lines favored by racers. Patented switch locks shackle in front or side positions, or lets block swivel to keep line from twisting.

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