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Harken 40mm Carbo AirBlocks

Harken 40mm Carbo AirBlocks

Use the 40mm Carbo for jib and mainsheet systems on high-performance dinghies

Also for loaded control lines on small keelboats.


More Information

Low-friction Carbo AirBlocks from Harken are lightweight, strong, reliable and affordable.

These compact single swivel blocks have very high working loads for safe and easy trimming no matter how hard the wind blows.

Sideplates of high strength resin are UV stabilised to provide excellent protection against long term exposure to saltwater and sun.

Carbo AirBlocks are 60% stronger and 30% lighter than our classic blocks making them perfect for the smaller diameter lines favoured by racers.

Type Max Load Safe Load Weight Max Line Dia Part No
Single Fixed 735kg 220kg 40g 10mm 2650
T2 544kg 220kg 25g 10mm 2149
T2 Loop 544kg 220kg 26g 10mm 2148
Single Swivel 735kg 220kg 44g 10mm 2636
Single Swivel Becket 735kg 220kg 48g 10mm 2637
Single swivel Cam 136kg 68kg 119g 6mm 2645
Single Swivel Cam Becket 272kg 136kg 122g 6mm 2646
Double Fixed 1080kg 440kg 80g 10mm 2642
Double Swivel 1080kg 440kg 86g 10mm 2638
Double Swivel Becket 1080kg 440kg 90g 10mm 2639
Triple Swivel 1383kg 660kg 118g 10mm 2640
Triple Swivel Becket 1383kg 660kg 122g 10mm 2641
Triple Swivel Cam 680kg 340kg 232g 6mm 2647
Triple Swivel Cam Becket 816kg 408kg 235g 6mm 2648
Quadruple Swivel 1383kg 660kg 170g 10mm 2654
Stand-up 735kg 220kg 48g 10mm 2652
90 Degree Fixed 735kg 220kg 44g 10mm 2659
Cheek 735kg 220kg 34g 10mm 2644
Traveller 454kg 150kg 52g 8mm 2649
  • Block Size - 40 mm