The Glaciers Semi-clear Nylon Fingerboard Wheels Miniature - Etsy
Amazon.com: Teak Tuning Apex 61D Urethane Fingerboard Wheels - Mini Shorty Shape, 6.6mm Diameter - ABEC-9 Stealth Bearings - Made in The USA - Honey Colorway : Toys & Games
Professional Blackriver Fingerboard Wheels with bearings | Blackriver Fingerboard Shop