Heavy Brass Key.  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.

Brass-plated steel (bright gold finish) 2-3/16″ long overall; shaft length is 1-1/4″, flag end as shown, hollow shaft,
9/64″ ID 7/32″ OD Brass.
Key #8, $8 each USA Shipping included

Sold and intended for decorative use only – not returnable.