Harken HSB464 29mm Carbo Block - Removable Bolt

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.

Please do be careful when you remove the bolt and make sure you keep both of the block sides together to ensure the ball bearings don't come out.

This pulley block most popular with ILCA/Laser sailors and can be used to attach to the downhaul and outhaul deck plate at the bottom of the mast to provide an upgraded pulley system.