DescriptionApplied to measure thread and external thread tooth pitch. The thread plug gage, through quenching processing, strong hardness, head with a magnetic. Using rotary switch can be freely adjusted. Easy to use, light and delicate, with precise measurements and simple design, which can be widely used and durable. It is useful for checking tool angle while cutting threads in metal turning lathes.Features- Color: Silver. - Material: Stainless steel. - Size: 6.00 x 6.00 x 1.50cm/ 2.36 x 2.36 x 0.59 inch. - This thread measuring gag can be applied to measure thread and external thread tooth pitch. - The thread plug gage has strong hardness and with a magnetic head through quenching processing. - The screw pitch is made of stainless steel and processed with finish. - The screw pitch combines high strength, good resilience, elegant appearance. - This steel screw pitch gauge is easy to use, light and delicate.