Black High Quality Butterfly Comb Dull Metal Balisong Trainer Enhanced Practice Trainer Training Tool 1PC Material: Stainless steel Our butterfly knife trainer does not have a sharp edge so you do not have to worry about cutting yourself while practicing tricks and whatnot. Specification: Full length 23cm (9 inch), blade length:10cm (4 inch), handle length: 13cm (5 inch) A perfect gift: This butterfly knife trainer is a perfect gift one for your families and friends if they are a butterfly knives lover. They can practice without harmful The butterfly knife trainer is so easy to use and provides hours of safe flipping fun