The ratchet block is arguably one of the most important pieces of hardware used on a sailboat, so choosing the correct size and type can make a big difference to how you sail your boat and what feedback the sails give you.
Standard mainsheet jammer systems usually have the block centrally located above the swivel meaning there is no turning force to swivel the block and jammer to the correct angle.
Allen set a new standard for extreme performance when we introduced the A2030XHL block in 2015. Not everyone is a racer, but everyone benefits from the improvements in technology which arise out of competition.
