This file would be used by a tradesperson or home handyman to smooth the edges of the wooden piece he or she was working on. The surfaces of the file would be of different abrasiveness to suit different stages of the job. A file would be part of a woodworker's tool kit.
Significance
The design of a file hasn't altered significantly over the last century. This file is an example of an early 20th century file but would be at home in the workshop today.
Physical description
Large file with wooden handle. Brass collar sits between handle and file.