Item # ch506czz
Chinook 45cm Carbon Windsurfing Extension offers adjustment in 2 cm increments.
Ring and collar adjustment system.
Has new Power-Haul Pulley and cleat system. (6:1 max purchase)
Line stows inside the extension when fully rigged.
Push pin loading ramps.
The standard for US mast bases(Compatible with many other brands).
Metric index markings screened on.