DAYTON, 1/2 in Compatible Shaft Dia, 1/4 in Shaft Extension Dia, Shaft Adapter Kit - 4X098|4X098 - Grainger
Nouveau .350 Golf Shaft Adapter Sleeve pour Razr Fit X-treme X-hot Driver | Fruugo FR
Amazon.com: 3Pack ShareGoo Metal 3.17mm to 5mm Shaft Adapter Change-Over Motor Axle Sleeve Compatible with Hobbywing HSP 540 550 EZRUN-3656 Motor RC Car Boat Plane : Toys & Games
ZoningSupply.com - Zone Control - Shaft Damper Adapter
TEC 14mm/19mm Shaft Sleeve or Size Adaptor RB14/19 - Accessories for Gearboxes