Designed to help you envision the path to the cup when marking putts, Scotty's Aero Alignment Tool is precision milled from 6061 aircraft grade aluminum and is part of the Aero Tool Box Kit. Everything comes in a handy tin that includes a custom Aero Alignment Tool in an anodized, misted bright dip yellow finish with three custom Scotty Cameron arrow-imprinted Titleist ProV1 golf balls.