Stainless Steel or Colored Anodized Aluminum — Go-No-Go finger gauge used to determine lumber thickness.

Stainless Steel - Measures 3/8" thru 2"

Colored Anodized Aluminum - Slightly larger than the stainless steel original. Measures 5/8” thru 2 1/2”

Green Lumber - Plastic Gauge with 4/4-5/4-6/4-8/4. All dimensions for green lumber, example 4/4=1-1/8”