Chinook Skinny Mast Shim - Surfdock Watersports Specialists, Grand Canal Dock, Dublin, Ireland
€17.00
  • Increases the effective diameter of a skinny mast
  • Suited to previous Chinook booms and many other brands
  • Grips well in a standard diameter boom clamp
  • Allows you to use standard booms for both mast diameters