The Replacement Flyer for the SpinOlution Hopper spinning wheel. The flyer is the assembly that holds the hooks and the bobbin during spinning. This product is the flyer assembly only, without a head or bobbin. It includes a hook orifice bar. The right replacement when an existing Hopper flyer is damaged, or when upgrading an older Hopper flyer to the current production model. What's Included Replacement flyer for the SpinOlution Hopper (no head, no bobbin) Hook orifice bar Wheel-specific: engineered for the Hopper and not interchangeable with the Echo, Monarch, Firefly, Pollywog, or Bee family flyers Choose Your Capacity 8 oz: matches the Hopper's 8 oz flyer setup. 16 oz: matches the Hopper's 16 oz flyer setup. 32 oz: matches the Hopper's 32 oz flyer setup. Replacement Flyer vs Flyer Head & Bobbin If you're adding a new flyer size to your Hopper (going from 8 oz to 16 oz, for example), you want the Hopper Flyer Head with Bobbin product instead. That product includes the wooden head piece that attaches the flyer to the base and a matching bobbin. This Replacement Flyer covers the flyer assembly only, for repairs or upgrading an old flyer to current production specs. About SpinOlution SpinOlution spinning wheels and accessories are designed and crafted in the USA. Browse the SpinOlution collection for the full lineup.