Individual Gage Block - .400 - Inch - Steel - 0 - Square
All Fowler Individual Square Steel Gage Blocks are Grade Ø and traceable to the National Institute of Standards and Technology.
Includes NIST Certificate.
NOTE: $35.00 Minimum of Single Gage Blocks IS Required (excluding shipping) when purchasing Single Gage Blocks. Single Gage Blocks not totaling $35.00 or more will be excluded from any orders. This will be verified prior to shipping.