440 Stainless Steel Set of 2 Tantotian Tanto Folding Knives This distinctive Tantotian folding knife features a 3 inch black finished 440 stainless steel Tanto style blade with a quick opening thumb stud. The comfortably contoured black steel handle features a brushed metal finish, a heavy duty pivot pin and the liner lock blade locking design. This elegant performance oriented folding knife from Tantotian has a closed length of 4 1/2 inches and comes complete with a durable pocket clip.