Tour Grade Tungsten weights by Strike King are the finest quality tungsten weights available. They are insert free, designed to not fray your line, and have an incredibly durable paint coating. The weight forward/boat-tail shape helps it penetrate and fall through cover better than conventional shapes and aids in hook-up ratio. Tungsten's high density enables a smaller size than comparable lead weights which is less obtrusive to your lure and will help your hook-up ratio. The hardness of tungsten gives you an incredible feel of the bottom and strikes that can't be matched by lead. Tour Grade Tungsten weights will improve your fishing success. Once you try them you won't want to use lead weights again!