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The Choice is Yours! NEW
EX Power-Haul Extensions
European pin attachment format. Solid one-piece
stainless steel quick release button. Available on all
extensions and bases.
US Power-Haul Extensions
Traditional base-cup with spring pin
attachment format. Available on all
extensions and bases.

Twist-On Mast Bases "One-Bolt"


Rubber Joint
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Mechanical Joint-On Center
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Tendon Joint-On Center
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EX Pin Format Tendon Joint Solid Investment Cast Stainless Steel Pin and Caps NEW
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Suggested Retail
US Cup -US $53

Suggested Retail
US Cup -US $58
EX Pin -US $62
Suggested Retail US $63
Suggested Retail US $67
This unique design is very low to the deck with four finger ribs for easy adjustment. Available with three different joints.

Quick Release Mast Bases "Two-Bolt"


Rubber Joint
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Mechanical Joint
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Tendon Joint
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EX Pin Format Tendon Joint Solid Investment Cast Stainless Steel Pin and Caps NEW
Click IMAGE for larger detail view
Suggested Retail
US Cup -US $63

Suggested Retail
US Cup -US $63

Suggested Retail US $73
Suggested Retail US $77
This proven design incorporates a built -in wrench and safety-lock mechanism. Undisputedly the most dependable and easiest to use base available today. Available with three different joints.




Built-In Hex Wrench
Innovation at its best for easy plate adjustment.
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Euro-Pin Conversion Cup
Converts pin style bases to the US standard Chinook cup. Cup only!
(Suggested Retail US $15.)
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Chinook / 100 Herman Creek Lane Cascade Locks, OR 97014 USA
(541)374-5005 Email: info@chinooksailing.com