Made with hardened steel.

Sturdy arms for accurate measurement of tracing intervals

Complete with protective plastic end cap molded ruler for easy reference

Chrome-plated caliper measures ECG wave sections with radius up to 7 in.

Package contains: you will get two EKG calipers in classic colors; They are practical for electrocardiogram drafting, nice supplies for school and hospital

Quality material: the EKG calipers measuring tool is made of stainless steel, which is reliable and strong, not easy to rust or deform, and can serve you for a long time

Ruler design: EKG caliper has a scale design on the protective cover, which can be applied as a ruler, and the measurement range is 0 - 2.4 inch; It is ideal for measuring electrocardiogram waveform

Easy to use: end points of electrocardiogram drafting divider are adjustable to the desired length to meet various needs, providing you with a good experience

EKG ECG Caliper to measure electrocardiogram wave sections. High Quality!

Adjustable screws for arms loose and tight.

Brass arms with chrome-plated feels heavier than other materials(stability).