Quality Workmanship: : The screw thread gauge is made of high quality stainless steel and processed with chrome plated finish, it combines high strength, good resilience, elegant appearance; The thread plug gauge has strong hardness and magnetic head through quenching treatment, sturdy and durable. Great Inspection Angle Tool: : The stainless steel thread measuring gauge is useful for checking the tool angle when cutting threads in metal lathes. Applied to measure thread pitch and external thread tooth pitch, a great measuring tool for your work. Easy to Use: : Thread pitch cutting gauge designed with a hole at each end, freely adjusted from where you press the tooth gauge, easily rotate the thread blades. Accurate Measurement: : The thread measuring gauge comes with accurate measurements and simple design, the toothed edges are clearly defined and the numbers are stamped and easy to read. Convenience: :Small and compact thread gauge without taking up too much space. Easy to carry. Delivery quantity: : 1 piece Easy identification - double marked with metric and imperial measurements, 0.0015 inch/0.04 mm to 0.035 inch/0.88 mm, the sizes are engraved in each blade for easy identification. User-friendly - The edge of the feeler gauge is specially treated, so it is smooth and does not hurt your hand The surface of the steel is polished. 1 pice