NISHI Men's 7.26kg Tungsten Hammer | 110mmNishi Hammer 7. 26K 110mm Tungsten Olympic Champion Proven Nishi hammer, at the core of this premium implement is tungsten, an ultra dense metal that allows for a compact 110mm ball, the smallest legal size permitted under international regulations. By concentrating more mass into a smaller sphere, the center of gravity is extended farther from the athletes hand, dramatically improving the hammers radius and rotational momentum. Trusted by Olympic