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    Buck Prop Knockers

    Propeller Depot carries the entire line of Buck Algonquin Prop Knockers. Just remove your propeller nuts and thread this part on the end of your shaft. Give the casting a few taps and your propeller will work its way loose. The Buck Algonquin Prop Knocker is made of Nibral and threaded to fit shafts with the SAE J755 specification.

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    Product(s)Thread SizeShaft SizePrice 
    Picture of Buck Algonquin 00PK100 Prop KnockerBuck Algonquin 00PK100 Prop Knocker 3/4 inch x 101 inch or 1-1/8 inch$188.12
    Picture of Buck Algonquin 00PK125 Prop KnockerBuck Algonquin 00PK125 Prop Knocker 7/8 inch x 91-1/4 inch$188.14
    Picture of Buck Algonquin 00PK138 Prop KnockerBuck Algonquin 00PK138 Prop Knocker 1 inch x 81-3/8 inch$331.89
    Picture of Buck Algonquin 00PK150 Prop KnockerBuck Algonquin 00PK150 Prop Knocker 1-1/8 inch x 71-1/2 inch$349.19
    Picture of Buck Algonquin 00PK175 Prop KnockerBuck Algonquin 00PK175 Prop Knocker 1-1/4 inch x 71-3/4 inch$443.07
    Picture of Buck Algonquin 00PK200 Prop KnockerBuck Algonquin 00PK200 Prop Knocker 1-1/2 inch x 62 inch$567.44
    Picture of Buck Algonquin 00PK250 Prop KnockerBuck Algonquin 00PK250 Prop Knocker 1-3/4 inch x 52-1/4 inch or 2-1/2 inch$698.92
    Picture of Buck Algonquin 00PK275 Prop KnockerBuck Algonquin 00PK275 Prop Knocker 2 inch x 4-1/22-3/4 inch$722.91
    Picture of Buck Algonquin 00PK300 Prop KnockerBuck Algonquin 00PK300 Prop Knocker 2-1/4 inch x 4-1/23 inch$760.23
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