Please check the dimensions of your fishing reel knobs at shafts. Shimano A and Shimano B, Daiwa S and Daiwa L.
Daiwa Knob chart Shimano knob 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.