Du-Bro Yellow 2-Blade Spinner Part No: 281. 2-1/4" (57.15mm). Simple, easy and safe to install. The spinners are available in 7 sizes. Each spinner comes complete with 5 shaft adapters (5mm, 6mm, 1/4", 7mm, 5/16"). You don`t have to drill out our back plates!
Features a unique nylon insert lock design for attaching the back plate and spinner - giving a solid and secure hold. Designed with safety in mind.