The Fury Butterfly Trainer from Joy Enterprises is all you need from a trainer. A blade from 440C stainless and blunted completely around so it will not cut you as you swing and fling. The handle is matte finished and features a skelatonized frame. The trainer also has a latch to secure the knife in the open and closed position.
Blade: 4″ 440C No Edge with Cutouts
Handle: Skelatonized Bead Blasted Chrome
Full Length: 8.5″