?They are used to measure extemal, intemal dimensions, depth, steps, etc.
?Measuring face is ground and lapped with high finish. The hardness is 58HRC.
?The caliper is laser-marked. The Graduation is accurate and clear.
?The face of scale is satin chrome coating, rust-proofing,perfect out-looking, easy reading.
?On the body of the caliper are two guides preventing the scale face from wear.