- Compact steel case
- English Standard wire gage, sizes numbered from 19-36 (.042- .004"), plus two additional sizes, 1/16" and 1/8".
- The reverse side has decimal equivalents in thousandths
- Has a taper gage leaf for measuring slot widths from 0.5-5mm in 0.5mm
- The reverse side having an 80mm scale graduated in mm and 1/2mm
- Has eleven thickness or feeler leaves
