The boom block with becket is attached to the aft end of the ILCA boom. Pass your mainsheet through the block, down to the traveler block, and back up to secure to the becket. A great upgrade for an...
The standard boom block is mounted to the mid point of the ILCA boom. Pass your mainsheet up from your mainsheet block, through the boom block, and then aft to the boom block with becket to complete...
