Please check the dimensions of your fishing reel knobs at shafts. Shimano A and Shimano B, Daiwa S and Daiwa L.
Daiwa Knob Size chart Shimano knob Size chart
If you are not sure if the tuning parts fit to your tackle, please Email Jun Please refer to
here as well. How to change knobs,
For spinning reels with automatic bail return system, knobs less than 20g are recommended for up to 4000 models, or unintended bail return might happen.
Light weight aluminum knob.
S size 33.5mm dia 19g
M size 39mm dia 25g
Fitting: Shimano A Fits to Shimano spinning 1000-4000, All bait casters in 50-400 size.