Boker Plus Cera-Neck Fixed Blade Ceramic Neck Knife. This means that not only is this knife absolutely free of corrosion, but it also has superior edge retention and is 100% non-magnetic. The Paracord handle wrap and a Kydex sheath are comfortable to wear. Overall Length: 4.25 Blade Length: 1.625 Cutting Edge: 1.625 Blade Thickness: 0.11 Blade Material: Ceramic Blade Style: Spear Blade Grind: Flat Blade Finish: Black Edge Type: Plain Handle Length: 2.625 Handle Thickness: 0.46 Handle Material: Paracord Handle Color: Black Weight: 1.35 oz. Sheath: Kydex Sheath Weight: 0.47 oz. Knife Type: Fixed Blade Brand: Boker Plus Model: 02BO670 Country of Origin: China Best Use: Diving