Graduated in millimeters across the top and 1/32″ increments across the lower half. All graduations are deeply etched.
Length 6″ (150 mm), width 1/2″ (12.7 mm)
Graduated in millimeters across the top and 1/32″ increments across the lower half. All graduations are deeply etched.
Length 6″ (150 mm), width 1/2″ (12.7 mm)
