Precise Screw Pitch Gages – U.S.A. Made

• Narrow designed blades allows you to use it for internal and external screw threads.
• Correct pitch is determined by matching blade teeth with threads.
• Locking device at each end secures all blades for storage or positions an individual blade for use.
• Each blade is clearly marked with proper thread size.
• Blades are protected in sturdy steel case.
• Made in the U.S.A.