0-25mm Point Type A Micrometer - 3230 Series (Insize)The Insize 3230 Series 0 25 mm Point Type Micrometer is a precision instrument designed for machinists and toolmakers who need accurate measurements of web thickness in drills, grooves, and keyways. Its robust build and fine graduation deliver dependable readings in everyday workshop use. Measurement range: 025 mm, ideal for web thickness checks on drills, small grooves, and keyways in tight spaces. Graduation: 0. 01 mm to provide precise, repeatable