Berkley's Nitro Estuary Pro jig heads are perfect for targeting a range of different estuary species. Featuring a super sharp Owner lightwire hook allowing for excellent hook penetration, Berkley Nitro Estuary Pro jig heads are well suited for targeting estuary species such as Bream, Flathead, Whiting, Mangrove Jacks and more. Berkley's Nitro Estuary Pro jig heads also feature an improved mid hook baitkeeper design for ease of rigging and Whiting, Mangrove Jacks and more. Berkley's Nitro Estuary Pro jig heads also feature an improved mid hook baitkeeper design for ease of rigging and bait retention on all types of soft bait materials.