This jammer block is for situations where a fixed foot block can't help: peeling spinnakers, or changing a sheet winch.
• Spinnaker block with locking cam, ideal for changing sheet winch, sail changes and locking spinnaker sheets upwind.
• Cam can be tuned to the exact rope size.
• Lightweight webbing attachment strop for toe rail or pad eye.
• Safe Cam Load 240 kg (528 lbs).
Part Number: BRS/63