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Deck Chock, Spinnaker or Whisker Pole

Part #: Z3890
Aluminum deck chock. Used at the base of the mast for mast stowed poles on boats 30 to 42 feet. An interface block of plastic must be created to match the radius of the face of the mast or it can be mounted to the deck as shown in "More images:" below.
• Material: Aluminum
• Length: 4-7/8"
• Width maximum: 4-1/4"
• Width minimum: 1-3/4"
• Height maximum: 3-7/8"
• Pin diameter: 7/16"
• Pin length inside (short side): 1-3/4"
• Fasteners: Cleared and countersunk for (3) 1/4" flat head

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