DO-IT mold model FBS-5-ATK features 5 cavities ranging in size from 1/8oz up to 5/8oz. These football shakey jigs feature an embedded screw lock to securely fasten your plastic and a flat bottom to allow jig to “stand up”, enticing aggressive strikes. Fits premium Trokar 815 jig hooks. See table for hook size requirements. Hook size corresponds with lure size from left to right (ie: 4/0 fits in 1/8oz cavity).