4 Pack for Replacing damaged or lost Scythe Gentle Typhoon Fan C-Clip Retaining Ring.
Here are the PC Cooling fans we've confirmed uses this type of metal retaining ring or c-clip.
Nidec-Servo Scythe Gentle Typhoon
Darkside Black Edition (D122C)
ADDA AD1212LB-A73GL
Delta WFB1212H