ULUCUS Midair 42D (DAIWA) CUSTOM REEL KNOB
Diameter: 42mm
Weight: About 37grams
Accessories:2 Ball Bearings, Adjustment Washer
Compatible models: Corresponding to Daiwa L size handle knob replaceable
Compatibility list - https://isofishinglifestyle.com.au/pages/ulucus-custom-knob-compatibility-list-for-daiwa