Walther P22 TSK Neck Knife WAL. 7cm) overall. 2.5" (6.35cm) black finish 440C stainless tanto blade. Black polymer handle. Lanyard hole. Black polymer neck sheath. Boxed with hanging tab. Specifications for Walther P22 TSK Neck Knife: Manufacturer: Walther Blade Length: 6.35 cm 2.5 in Overall Length: 12.7 cm 5 in Blade Shape: Tanto Blade Material: 440C Stainless Steel Serrated: Plain Knife Application: Neck Knife Handle Material: Polypropylene Blade Finish: Black Finish Sheath Material: Polymer Package Type: Box Hand: Ambidextrous Package Contents: Walther P22 TSK Neck Knife