Camillus Reverb 6.75 inch Folding Knife has Carbonitride titanium which is one of the hardest surface treatments available, protecting the blade surface against wear, staining, or damage. Blade is constructed with Aus-8 Japanese steel. The handle is glass-filled nylon. Quick launch bearing system enables the user to open the knife's blade quickly and smoothly - with a simple flick of one's finger. Blade length 3 inches and 6.75 inch overall length.