The ProMark Mike Portnoy 420x drumsticks offer more power and projection than the original Mike 420 model. Featuring a diameter close to the maximum for 5A sticks, these sticks are designed with an oval wooden tip that provides warm tones on cymbals and drumheads, meeting the performance needs of most drummers. ProMark's patented ActiveGrip technology ensures a comfortable grip. Diameter: 0.565" / 14.4 mm. / Length: 412.8 mm (16 1/4").