Key Features 3-Piece Measuring SetIncludes 1 inside caliper, 1 outside caliper, and 1 divider for measuring, transferring, and checking inside dimensions, outside dimensions, and round objects. 3 Inch Measuring LengthEach caliper measures approximately 3 inches, making this set compact and easy to use for small parts, hobby work, layout, and precision measuring tasks. Locking Screw MechanismThreaded screw adjustment helps hold your measurement securely in place, allowing you to transfer measurements accurately after positioning the tool. Steel ConstructionMade from durable steel with hardened points for long-lasting use in workshop, hobby, craft, machinist, woodworking, and metalworking applications. Precision Ground DesignDesigned for measuring open distances, inside openings, outside dimensions, and diameters of round objects with reliable control and repeatable positioning. Product DescriptionThis 3 Piece Caliper Set includes an inside caliper, outside caliper, and divider, giving you the tools needed to measure and transfer inside, outside, and round dimensions. Each tool has a 3 inch measuring length and features a locking screw mechanism to help hold measurements securely in place. Made of steel with hardened points, this set is built for long life and dependable use. The threaded screw adjustment allows smooth positioning and helps maintain accuracy while transferring measurements to a ruler, workpiece, or layout surface. Ideal for machinists, woodworkers, metalworkers, hobbyists, and general workshop measuring tasks. SpecificationsModel: TZ01-14503Set Includes: Inside Caliper, Outside Caliper, DividerMeasuring Length: 3 inchesMaterial: SteelAdjustment Type: Threaded locking screwApprox. Set Weight: 4.9 ozUse For: Inside measurement, outside measurement, diameter checking, layout, and measurement transfer