Check the listing for details. STARRETT 274-4 51302 Size 4" Toolmakers Spring-Type Caliper and Divider,Inside. Condition: New. Listed at 47.50 USD. (Box is reference only that all 5 Calipers are stored in) Offering a STARRETT 274-4 Toolmakers Spring-Type Caliper and Divider, Inside, 4" Size and Capacity, Solid Nut, Round Leg 51302. New Unused in Manufacturer Packaging . See photos for more details on what is included in this listing and its Condition.(ADS3)2 The Starrett 274 Series Toolmakers' Spring-Type Calipers and Dividers with Round Legs and Solid Nut are the finest tools of their type. Designed for toolmakers and all good mechanics who require finer adjustment and better balance so a more sensitive "feel" can be obtained. Precision made to rigid Starrett standards throughout. Features include hardened fulcrum stud, strong and flexible bow string, and centrally located leg adjustment to assure smooth action. Starrett tools are designed to be user-friendly. Type:Inside Size and Approximate Capacity (in):4" Size and Approximate Capacity (mm):150mm Joint Type:Spring-Type Leg Style:Round Leg Nut Style:Solid Nut