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Chinook Aluminium SDM Extension
Chinook Aluminium SDM Extension
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The Chinook Standard Aluminium mast extension is probably the most highly regarded aluminium extensions on the market.
- Large brass rollers significantly reduce friction and give easy down hauling.
- Fully adjustable, easy to use slim line snap-on collar.
- Large finger friendly metal release button - with a good positive action.
- Finished in a stunning blue anodized outer coating.
- Highly visible and durable height adjustment markings.
- High grip clam cleat and quality downhaul rope

Let customers speak for us
from 115 reviews
Great price for a high end inflatable SUP
Because of my holidays I needed to delay shipping.
PHW easy to contact and speak to in person, very understanding and accommodating.
The courier service was personable and impeccable.
I live in Belgium and had forgotten to factor in the heavy customs costs, but the board was still good value even so .
Lovely and soft very bright colours and the biggest beach towel I have bought
Well designed, made and fit for purpose. Perfect for the endless rainy daily walks. Very happy.
Absolute fantastic dryrobe coat would 100% recommend it's so so warm really happy with my purhase
Very prompt delivery
Keeps your head nice and toastie and the bright colour means you can wear it in the lake, so it's dual purpose
Perfect …very warm and cozy
So warm. The best boots ever.
I bought this bag for an RRD 145 litre hard board (180x80) High quality and fits very snug. Very helpful staff and fast delivery thank you !
Excellent great service and happy with the wing
Many thanks
Great for open water swimming. Or as warm beanie after.
Looks great & fits really well
So the t-grip is fits the palm really well, the shaft has a lovely feel, just grippy enough, and the blade has lots of control through the water. It feels great at high or low cadence. Really happy with the purchase.
Quick delivery as always, excellent wing especially in light winds.
Great bag, all what i needed