Low profile to accommodate even bent/offset style reel handles. Comes with two o-rings to fit in the grooves of the knob for better grip. Also includes a spacer washer to go between the nut and the lever to prevent electrolysis. Fits all reels that use the standard 21-66 lever.
 
Fits Penn Model Reels; 110, 111, 112, 113, 113L2, 113-LH, 113H, 113H-LH, 113H2, 113H2-LH, 113H2LW, 113H2SP, 113HL, 113HLW, 113HSP, 125, 250, 259, 267, 268, 500, 500L-LH, 500S, 501, 66, 67, 68, 78, 99 and Pro-Gear Models (TBA)
 
A brief tutorial on how to instal the o-rings can be found here.
 
 O-rings can occasionally wear out or break. Replacements can be found here.