The Zappu Round Head Inch jig head is a mouthful but works perfect for smaller worms and swimbaits. These are perfect for ice jigging Reins 3" Bubbling Shaker worm or Keitech 2" Swing Impact or 3" Swing Impacts baits. These tungsten jig head's feature a barbed shank molded into the tungsten to help keep the bait secure. They are heavy for their size so the presentation is small and compact for a finesse application. They come 4 per pack and are made in Japan.