Black Metal Practice Balisong Butterfly Knife Trainer by Oliasports

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.