- Made of heat-treated heavy gage steel, machined and ground to close tolerances
- Hole sizes and decimal equivalents are permanently marked on face
- Conforms to U.S. Government Specification GG-G-86b
- 6-1/2 x 2-1/2 in.
- Prop 65
⚠ WARNING: This product can expose you to chemicals including Nickel (metallic), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.