【Material】 Metal,The butterfly blade is not sharp and it cannot be sharpened due to the design. | 【Safety】Handles is a skeletonized design to reduce weight,No offensive butterfly blade perfect for Practicing flipping tricks by standing facing towards a sofa, on a carpet or lawn to avoid damage. | 【Size】8.8"x 3.9"x0.1".If you want to know the butterfly training knife in detail,pls check the pictures of we offer. | 【Color and Package】2pcs of practice butterfly knife trainer, black and silver. | 【Design】The practice butterfly knife trainer includes a durable tail latch for holding the knife open, or securely locking it closed.

【Material】 Metal,The butterfly blade is not sharp and it cannot be sharpened due to the design. | 【Safety】Handles is a skeletonized design to reduce weight,No offensive butterfly blade perfect for Practicing flipping tricks by standing facing towards a sofa, on a carpet or lawn to avoid damage. | 【Size】8.8"x 3.9"x0.35".If you want to know the butterfly training knife in detail,pls check the pictur