In this multifunctional device the knife blade is placed in a charger for pneumatic gun. It allows you to charge both unidentate shafts with different sharpening tips and tridents and even multi prong shafts. An opening in the housing for a safety loop. The knife blade can be opened with one hand, when unfolded it is fixed with a spring-loaded stop. The blade has a complex shape and is equipped with serrated edge over the entire working length. • blade: stainless steel - W 1.4304; • hardness: 55-56HRC; • thickness: 2,5 mm; • handle material: nylon reinforced with fiber glass; • knife length: 13 cm, blade length: 8 cm; • weight: 100 g.