Windsurfing extension Windsurfing HawaiiI SDM Pin system

Detailed description - Windsurfing Hawaii SDM extension 

• With the least possible moving parts to damage, this hardcore windsurfing extension fully moulded, coated aluminium pulley blocks, large in-line wheels for easier downhauling. There's also a handy catch for securing the push-pin to prevent unwanted separation and a fast and easy ring and pin collar adjustment. A strong choice for lifelong value and confidence to use the full quoted extension range. Available sizes: 30 / 45 cm 
•  high quality T8 alloy
• diameter 45 mm,
• adjustment every 2,5 cm,
• Euro PIN header (works only with short pin bases)
• available sizes: 30, 45 cm.

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