Soft Plastic Lure Mold Strike Craw Trailer Creature Bait 4 Inch Bugmolds USA - 1 Cavity Mold. Bugmolds USA offers a high quality stone mold for soft plastics fishing baits. This mold is a single cavity piece that produces one 4in super creature craw soft bait lure. We recommend using lubrication for our stone molds and an injector size for this mold of 5/8in. Go full speed and create a large variety of soft plastic baits in colors of your choosing! Great inexpensive durable molds that are compatible with plastisol. Make your own fishing lures with Bugmolds USA! Recommend Injector Size: 5/8in. Made From Artificial Stone For plastisol injections. Free Shipping in the United States On All Bugmolds USA Products!