The leaves are individually stamped with accurately formed thread profiles.
Used as a twist drill gauge & thread gauge.
Graduations are properly marked with a lazer marking machine for true valuations.
Description
Manufactured from high quality stainless steel. Measures square & hexagonal angles of 120, 90, 60 & 55 Degrees Used as a twist drill gauge & thread gauge. Graduations are properly marked with a lazer marking machine for true valuations.