- Durable Plastic Caliper: Constructed from lightweight, rust-resistant plastic, this caliper ensures long-lasting performance for all your measuring needs. - Accurate Measurements: Clearly marked in both millimeters and inches, this tool allows for precise measurements of depth, height, and both internal and external diameters. - Versatile Applications: Perfect for measuring small objects, this caliper is ideal for jewelry making, antique appraisal, and various industrial applications. - Smooth Sliding Mechanism: Features a user-friendly sliding mechanism for quick and efficient measurements in interior, exterior, step, and depth dimensions. Use Cases: - Accurately measure gemstones for custom jewelry designs. - Evaluate the dimensions of antique items to determine their value. - Measure components in industrial settings for quality control and production accuracy.