| Duncan Butterfly AL Retro ... | |
| Duncan Butterfly AL Retro Edition Yo-Yo - Aluminum Classic YoYo - Sold on eBay Mar 07, 2022 for $49.99 | |
| The idea of transforming the Butterfly into aluminum is a pretty bold concept. Butterfly AL - Retro Edition includes a Slim Spec C bearing and a shorter axle for an extra responsive play! Gap: 4.02mm/0.16in.... | |