Greater wire diameter! Forged! sharpened chemically! & protected against corrosion by a Super Tin finish coating! They are the toughest that exist! The signature Nitro shape, which allows for a more natural drop, imparts more motion on the hop, and avoids snagging with its stand-up form, are further design elements. including the Nitro quad ribbed keep for significantly better ability to maintain bait. The best jigs for large, powerful fish are the Nitro Saltwater Pro Jigs!