Western BlacTrax 7" Folding Knife. Featuring a 2.5" Titanium Bonded 420 Stainless Steel Blade, a Full Tang Delrin Handle with Lanyard Hole, and included sheath. 420 is a hard and strong steel is commonly used in knife blades and offers good corrosion resistance at a low cost. The steel is bonded with Titanium that resists rust and corrosion and is up to 3x harder than untreated steel so the blade stays sharper, longer. Lifetime Warranty.