Ulucus Small A30 (Shimano) Custom Reel Knob:
Diameter: 30mm
Weight: About 18grams
Accessories: Spacer Adjustment Washer
Compatible models: Corresponding to Shimano A type handle knob replaceable
※ Ball Bearings are NOT included.
Compatibility list: https://isofishinglifestyle.com.au/pages/ulucus-custom-knob-compatibility-list-for-shimano-reels