EBayHDLNAK 3-Piece Caliper/Divider Set achieves workshop-perfect measurements. The inside and outside divider caliper set is meticulously engineered to meet the exacting demands of professional woodturners, metalworkers, and meticulous craftsmen. This complete precision instrument package embodies the perfect synergy between functionality and durability, combining three essential measuring tools in a single expertly crafted system. 【Three-piece multifunctional combination】Package Includes inside caliper, outside caliper and divider to meet a variety of measurement needs. One set of tools solves more distance at a time. 【High-precision carbon steel structure】Calipers Set made of carbon steel, rust-proof and wear-resistant, ensuring long-term use without deformation and accurate and reliable measurement results. 【Spring-assisted flexible operation】Caliper Compass spring rebound design allows for quick adjustment with one hand, improving work efficiency. 【Industrial-grade measuring tool】Inside and outside divider caliper set suitable for craftsmen and shaped materials，ensuring dimensional accuracy in lathe machining and model making. 【Multi-functional application】Outside caliper is suitable for measuring circular materials, inside caliper is suitable for measuring the inner diameter of openings and divider are suitable for measuring uneven surfaces.