SALTWATER AND FRESHWATER USE - The AquaTuff Fillet Knife is designed for both saltwater and freshwater fishing, offering versatility for various fishing environments and scenarios; The fishing knife for fish filleting is also available in various sizes CONSTRUCTION - This durable Fillet knife has a robust tungsten carbide edge & zirconium bonding for exceptional durability and longevity; The cutting edge ensures the knife's edge remains sharp, while the bond provides excellent resistance to rust NON-SLIP GRIP - The AquaTuff series knife is built with a weather-resistant, non-slip silicone grip to provide anglers with a secure and comfortable hold; The grip is designed to withstand various weather conditions, enhancing overall control & usability ERGONOMIC DESIGN - The Fillet knife with a length of 7 inches features ergonomic thumb and finger rests to enhance control and precision during use; The design ensures a comfortable and secure grip, making the knife suitable for extended periods of use BLADE COVER INCLUDED - Complete with a full-blade cover, the fishing AquaTuff Fillet Knife ensures secure storage when not in use; The blade cover protects the edge & promotes safe handling, making the knife a reliable tool for anglers of any skill