(Uses 1:) Left Side Plate (Non-Handle Side) Short Screw 955, 965, 975, 975LD, 975CS, 975CSLD
(Uses 4:) Drag Cover Screw SQL16VS (SQL16VSLD2), SQL30VSW (SQL30VSWLD2), SQL50VSW (SQL50VSWLD2), TRQ15LD2G, TRQ15LD2S, TRQ15XNLD2G, TRQ15XNLD2S, TRQ25NLD2G, TRQ25NLD2S, TRQ30LD2G, TRQ30LD2S, TRQ40NLD2G, TRQ40NLD2S, TRQ60LD2G, TRQ60LD2S, TRQ100LD, TRQ300LD
(Uses 1:) Right Side Plate (Handle Side) Screw 525GS, 525MAG, 525MAGT
For the 525MAG REELS ONLY:
The older reels used the fine threaded 39S-965, later models use the coarse threaded 39-525
To figure out which one your reel uses, here is a comparison photo: