Features: 3 sizes available: 4-inch, 8-inch, 10-inch. Accurate Measurements: Our stainless steel caliper delivers precise measurements consistently, making it a reliable tool for DIY or professional use. Durable and Rust-Resistant: Constructed from high-quality stainless steel, this caliper is designed to resist rust and corrosion, ensuring long-term durability and accuracy. Ideal for Craftsmen and Hobbyists: Suitable for woodworkers, machinists, and jewelry makers who require precise measurement of small objects. Versatile Use: Capable of measuring internal dimensions of various items such as sculptures, pottery, clay, tubes, and holes. Specifications: Material: Stainless steel Overall length: Approximately 20cm, 38.6cm, or 49cm (depending on selected size) Size: 4-inch, 8-inch, or 10-inch (optional) Note: Please allow 13cm variation due to manual measurement. Color may vary slightly due to monitor display differences. Package Includes: 1 x Inside Caliper