Feature:1. Wide Application: This spring caliper has a very wide range of applications for woodworking, carpentry, metalwork, leatherwork, math and more.2. Multifunctional: This spring caliper is versatile and perfect for drawing arcs, circles, index gauges, dividers, line segments, dimensional measurements, and more.3. Excellent Carbon Steel Material: This spring caliper is made of excellent carbon steel material, which is sturdy and wear resistant, not easy to erode, and has a long service life.4. Sliding Nut Design: This spring caliper has a sliding nut that can be locked in place, which in conjunction with spring tension allows for quick leg adjustments and repeatable measurements.5. Compact And Lightweight: This spring caliper is small in size and light in weight, which is very convenient to carry and use when you go out for work.Specification:Item Type: Spring Caliper With Pen SleeveApplication: Widely used in the field of mechanical scribing and leather making.Material: Carbon steelSpecification: Approx. 75mm/2.95inExpanded Size: Approx. 75mm/2.95inTotal Length: Approx. 125mm/4.92in.Package List:1 xSpring Caliper