Westward Outside Spring Caliper 40L721 An external firm-joint caliper, the Westward 40L721 is made for accurate exterior measurements in mechanical and industrial settings. Its sturdy steel construction and solid joint mechanism, which sustains constant strain, guarantee precise and reproducible measurements. This caliper is perfect for jobs like metalworking, machining, and quality control procedures that call for accurate dimensional measurements. Range / 0 in to 4 in/0 mm to 100 mm Joint Type / Spring Maximum Measurement / 100 mm, 4 in Maximum Measurement - Inch / 8 in Maximum Measurement - mm / 200 mm Nut Type / Solid Tip Type / Solid Points Caliper Material / Steel Leg Style / Flat