MTECH USA Butterfly Trainer-No Sharp Edge Dragon Balisong Martial Arts Training Equipment 3.75" 3MM Thick Silver Tone Blade With NO SHARP EDGE and Holes To Prevent Sharpening , Stainless Steel 4.75" Closed Two Tone Anodized Aluminum Handle With Silver Tone Dragon *THIS IS NOT A BUTTERFLY KNIFE. IT IS A TRAINING TOOL ONLY*