Frequently alone in the depths of the ocean blue with little room to carry anything else, a diver must make sure the knife he or she chooses can be a dependable and multi-functional tool as it is the most important item carried after the dive tank. Equipped with a very-sharp drop point blade constructed from high quality rust-resistant stainless steel and featuring a serrated spine edge plus a rope cutter, this reliable knife is great at cutting nets and other underwater obstructions as well as serving as protection against underwater predators. Rubber arm and leg straps secure the knife under water while the hard sheath features a locking mechanism to hold the knife in place. The contoured handle gives you a secure and powerful grip and features distinctive blue highlights. Overall Length: 9 Inches Blade Length: 4.5 Inches Blade Material: Rust Resistant Stainless Steel Blade Thickness: 3mm Blade Width: 1 Inch Blade Type: Drop Point Handle Length: 4. 5 Inches Handle Material: Rubberized Includes: FREE ABS High Impact-Resistant Thermoplastic sheath, Rubber leg strap.