Need advice

[Freespool]

Hello all
New to the board. I am looking to buy a used Parker. I am trying to mak some sense of the number and letter system. What do th following letter designations mean:
XL, XD, XLD, deep V, modified V.
Thanks in advance.

 

[Bryan 2530]

Anything with a D or Deep V means 21 degree deadrise.

Mod vee or stuff without D designation is either 14 or 16 degree deadrise depending on year.

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