Item is in stockHurry! Low inventoryItem is out of stockItem is unavailable
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.