Master the fascinating art of butterfly knife skills with this Folding Butterfly Trainer Knife. Blending the perfect amount of balance and control needed for beginner tricks and flips, it's guaranteed to get your skills to the next level in no time. This knife features a dull and unsharpened, 9.5 cm, 440C stainless steel blade connected to 11.5 cm, G10 handle. The skeletonized handle reduces the overall weight of the knife, which comes in hand for beginner level tricks, while the handle provides a secure and firm grip. Other features include 56 HRC hardness and locking latch to keep the blades closed together for easier transport.