The Keitech Super Round tungsten jig heads are the finest lead-free jig heads currently available on the market. Their compact size-to-weight ratio, super sharp hooks and dense material are very effective for a variety of uses. The 1/16 & 3/32 Keitech Tungsten Super Round Jig Heads come in a pack of 4. The 1/8 & 3/16 Keitech Tungsten Super Round Jig Heads come in a pack of 3.