Made from heavy gauge stainless steel.

Measure diameter(American wire gauge).

Used in non-ferrous metal.

Designed for measuring steel wire, hot & cold rolled steel sheet etc & check sizes from 0 to 36 gauge.

Quickly and accurately check the specifications of the rod and wire.

Dual mark SWG and SAE.SWG: 0-36 standard,inch scale: 0.007"-0.3125".