Fits Reels (23-965 handle nut):
955, 965
Fits Reels (23-555 handle nut):
112H2, 113L2, 113H2, 113H2-LH, 113H2LW, 113H2SP, 113HN, 330LD, 515MAG2, 525GS, 525MAG, 525MAG2, 525MAGT, 535GS, 535MAG, 545GS, 545MAG, 555GS, 555MAG, 975, 975CS, 975CSLD, 975LD, SQL12, SQL15, TRQ100, TRQ200, TRQ300
NOTE: The handle nuts are standard hexagonal (hex) nuts, not a specialized type of nut with a unique shape.
You can use a regular 7/16" box wrench or an adjustable wrench to tighten or loosen them; you will not need a specialized wrench with a unique design to fit the nut shapes.