29 mm Carbo Air Block — Removable Bolt


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Strong, low-friction, and lightweight Carbo Air block with removable bolt allowing for connection to various locations. This small, compact block has a very high working load for safe and easy trimming and can be attached to a mast collar or clew ring to provide an upgraded pulley system. This is a replaceable version of Harken product 348 or 371.


Sheave Ø (mm) 29 mm
Sheave Ø (in) 1 1/8 in
Length (mm) 49 mm
Length (in) 1 15/16 in
Weight (g) 23 g
Weight (oz) .8 oz
Maximum line Ø (mm) 8 mm
Maximum line Ø (in) 5/16 in
Maximum working load (kg) 150 kg
Maximum working load (lb) 330 lb
Breaking load (lb) 1000 lb
Breaking load (kg) 454 kg