Rubber soft version, of a training knife has a form of a pocket knife. It serves for special defense training, as well as for realisation of model situations.
It is made of good quality rubber. The length of it's blade is about 4.5" while the handle is 4" is designed to maximize gripping power and minimize slipping from the hand.
Size Chart
Size Guide
This is a standardised guide to give you an idea of what size you will need, however some brands may vary from these conversions.