Sewing wheel. Length...Approximately 16cm There is a hollow so that the index finger can be easily placed. Please check photo 4. It is new and unused, but has been stored at home for a long time. Please refrain from purchasing if you are concerned about minor details. No returns, refunds, or exchanges will be accepted. The shipping method may be changed. We ask for your understanding in this regard. It will be sent in simple packaging. Thank you for looking.