This Technician Sergeant Stripes official issue rank is made for WWII and Korea uniforms. This clothed patch rank comes in a grey embroidered on blue background and is regulation size. Can be easily sewed onto the sleeve of official WWII and Korea uniforms to be properly displayed. This is the perfect uniform item for your era correct shadow box. The Tech Sergeant, also referred to as the Tech Sergeant, was a Grade 2 rank from 1920 to 1942, and a 2nd Grade rank from 1942 to 1948. The rank combined battalion quartermaster sergeant, battalion supply sergeant, ordnance sergeant, hospital sergeant, and different types of sergeants and technical and specialists ranks. After 1948 the rank was renamed to Sergeant First Class, keeping the three chevrons and two rockers insignia. The Technician Sergeant Stripes WWII and Korea rank is sold in pairs and is made in the USA.