Features:
- Deltronic "X" Plugs are available in .0001" steps
- Sizes from .0040" thru 1.0120"
- "Certificate of Accuracy" included
- Gages are held to size within +.000040"/-.000000 (minus nothing)
- Sizes from .0040” thru .1800” do not have a center relief.
- Size marked Insul-Grips on sizes .0070” thru .0589”