Barton Marine Slab Reefing Kit, Yachts up to 12m (40ft)Slab reefing kits Supplied with sliding blocks which run along a 32mm track which are held in place with spring loaded plungers. Manufactured from stainless steel and anodised aluminium. The 3 cars can be positioned at 50mm intervals along the track and moved easily. The kit comes complete with a length of T track and end tops. Additional cars are available if required. Cringle Hooks or Reefing hooks can be bought separately to fix the tack of the