3/4 inch-14 ANPT (Aeronautical National Pipe Taper (thread gauge)) L3 Plug Gage Assembly with handle Tool steel RC 60/62 cold stabilized certificate of compliance to NIST with each gage single ended assembly with a handle. (Note that these special gages are manufactured to order with delivery 4-5 weeks from date of order). Certificate of Accuracy is included.Click HERE to read about additional Long Form Cert.