Length 21.3cm x Width 5.8cm x Length 4.7cm
Number 206 metal saw set used for adjusting saw teeth. The object is comprised of a long narrow piece of metal with a setting bar on one end and an adjustable stop gauge below, and an adjustable saw wrest on the other end that can be slotted into a number of cutouts down the length of the body.
A saw set is a tool or tool kit for tuning and sharpening saw blades. It adjusts the set, or distance the saw tooth is bent away from the saw blade.