PEC Tools Adjustable Hook Rules

• Tool steel, hardened and tempered.
• Hard chrome finish, no glare.
• Provides accurate measurements from deep or shallow shoulders.
• Made in the U.S.A.

Features:

• Graduation: 4R (8ths, 16ths, 32nds, 64ths) or16R (32nds, 64ths, 50ths,100ths)
• Thickness: .040″
• Accuracy meets federal specifications.
• Micro fine graduations.