Metal Practice Balisong Butterfly Knife Trainer

Specification Type: butterfly knife Whole Overall Length : 8.86" Blade Length: 3.74" Handle Length: 5.11" Handle materials: metal steel Hardness: 55 HRC Weight: 130 G Surface treatment: black Lock type: training the knife Package Include: 1 x Practice BUTTERFLY Knife NOTE: This item is just for Practice usage. The blade has holes, so it can't not be sharpened.