SPI American Standard Wire Gage

American Standard and Gage for measuring wire diameter and non-ferrous sheets with copper, aluminum and wrought iron.

Features:

• Made of heavy gage hardened steel 62 RC
• Heat treated carbon steel
• Satin chrome finish, no glare
• Accuracy: +0.0002", -0.00015"
• Gaging slots meet Federal Specifications
• Front face shows gage size, back shows decimal equivalents adjacent to each slot