Garrett Coil Cover 9"x12". OpticsPlanet Inc is an Authorized US Distributor for Garrett Metal Detector Parts & Accessories. Package Contents: Coil Cover 9"x12" 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.