These are hollow-shank keys that are intended for decorative use only. They look nice and in some cases you may be able to file the business end of the key to get it to work your lock, but there are NO guarantees, and these keys are not returnable.

Solid cast brass (bright gold finish) 2-1/16″ long overall; shaft length is 7/8″,
Flag measures 3/16″ by 3/16″, hollow shaft 9/64″ ID
Key #10, $8 each Free shipping in the USA

Sold and intended for decorative use only – not returnable.