The 420X offers more power and projection erring on the larger side of a 5A at 16 1/4¹ long. The oval wood tip provides a warm tonality on cymbals and drums and appeals to the performance needs of most drummers. Featuring Promark's patented ActiveGrip technology which is a heat-activated grip solution that gets tackier as a players hands sweat and body temperature rises. Hickory is the most popular wood choice for drumsticks due to its resilience, responsiveness, durability, and classic feelLength 16 1/4"Diameter .565"ActiveGrip is heat activated and gets tackier as hands sweats and body temperature rises.All Promark drumsticks are designed, engineered, and manufactured in the USA at our Texas facility to the most stringent quality controls in the industry