Size: About 0.5 0.5 0.5 " (14 14 14mm). Weight: 0.33 lb/set (150 g/set). Convenient to put in your pocket and hold in your hand to conduct energy guidance. Size: About 0.5 0.5 0.5 " (14 14 14mm); Weight: 0.33 lb/set (150 g/set).