Garrett Cap Est.1965. 1965 1621100 on sale and available from our online store. OpticsPlanet Inc is an Authorized US Distributor for Garrett Metal Detector Parts & Accessories. Package Contents: Cap Est.1965 We offer complete line of Garrett Metal Detector Parts & Accessories. For our complete selection of products by Garrett on sale please visit our Garrett page. For more Metal Detector Parts & Accessories please visit our Metal Detector Parts & Accessories store section. Garrett Cap Est.1965 1621100