The 515 was designed by Slipknot drummer Joey Jordison. It features a classic 5A diameter, a slim neck for fast precise rebound and a full round bead for great articulation and projection. The “blood red ink" also contains Joey"s actual blood! Not only can you own a stick with Joey"s signature, you can own a piece of Joey himself!Because of its resilience, responsiveness and durability, hickory is the most commonly used wood for drum sticks. Hickory is the classic drum stick feel. For over 50 years, ProMark has been one of the world"s leading manufacturers of drumsticks, mallets, and percussion accessories. Owned and operated by D"Addario & Co., the Houston, Texas based ProMark produces products used globally by the greatest drummers and percussionists in the world, including Neal Peart, Phil Collins, Simon Phillips, Ringo Starr, and many more. ProMark - Make Your Mark.