Shop › AT-ACT Driver Tank Driver Helmet Cog Decal Image 1 of 1 AT-ACT Driver Tank Driver Helmet Cog Decal $3.00 Quantity: Add To Cart Added! AT-ACT Drive, 1 Inch Red Imperial Cog for Tank Driver Kit. Meant to be paired with AT-ACT Driver / Shoretrooper Helmet. AT-ACT Drive, 1 Inch Red Imperial Cog for Tank Driver Kit. Meant to be paired with AT-ACT Driver / Shoretrooper Helmet.