The trainer looks and feels just like a real butterfly knife, allowing you to safely practice and hone your flipping skills It has a solid, stainless steel construction with a satin finish and a 4” non-edged blade with weight-reducing thru-holes The two comfortable handles swivel smoothly around their tang pins and also feature weight-reducing thru-holes The skeletonized butterfly trainer is 5 1/2”, when closed, and it is secured with a sturdy handle latch when folded shut