Specs If you haven’t yet mastered your butterfly knife skills, then this butterfly comb trainer knife is a great place to startIt looks and feels just like a real butterfly knife but has an actual comb instead of a sharpened blade, for safely trainingThe entire trainer is constructed of 3Cr13 stainless steel with a rainbow finish and it has a sturdy handle latchThe butterfly comb trainer has an overall length of 8 1/2” and a closed length of 5”