Polylok solves the problem of anchoring attachments to your concrete forms. Our mold fastening nails allow you to simply anchor mold attachments quickly and for less cost than older, time consuming methods. Quickly attach accessories to your mold such as: pulling irons, block-outs, unistrut clips, hole formers and lighting panel couplings. Attachments can be anchored with precision every time with our mold fastening nails. Polylok’s mold fastening nails are the simplest, most economical way to anchor mold attachments. The hole will self seal allowing you to drill as many holes as needed without compromising the form integrity.