The Black Ops Kalaj Kutter Replica Philippines Axe is a great tool for the beginner, intermediate, or advanced practitioner of defense (/offense) training. These are hand crafted from a solid piece of Polypropylene which has excellent tensile, energy absorption, abrasion resistance, water/ salt resistant, and resistance to stress cracks, so you will be sure to enjoy these Kalaj Kutters for years to come.