he blade tip of the head is shaped in an arc to improve penetration into soil. The handle is made of aluminum pipe for reduced weight. The handle has a 6-blade valve shape for improved grip and a secure fit. The head is made of heat-treated stainless steel (stainless steel blade steel) which has excellent weather resistance and rust resistance, resulting in superior wear resistance, less soil adhesion, and easy maintenance. The assembly structure is designed to be disassembled for easy recycling.