Install Door Skins with THE SKINNER? - For a professional installation. Hardened steel guide and forming wheels work door skin from a 75-degree angle to fully crimped position. Simply start edge with hammer and dolly and use your 3/8in. ratchet with 3in. extension to drive THE SKINNER? along the seam. Nylon backing plate prevents marring outer door surface. Instructions included. Made in the USA.