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Shackle Swivel 3/16"

Part #: Z4041
This swivel shackle allows the blocks to which it is attached to self align with the rest of the block and tackle assembly helping to prevent the line from jamming due to twisting.
Used for attaching one of adjustable backstay block kit blocks to the transom on the Catalina 22 and included as part of the adjustable backstay replacement block kit, #Z2336.

Also used as part of the original equipment 3 to 1 internal outhaul systems on the Catalina 28, Catalina 30, Catalina 310, Catalina 34, and Catalina 36.