Promark Hot Rods are a Promark original, copied by others, but never equaled. Made of premium select birch dowels, these rods provide an excellent consistency and feel. Nineteen medium premium select birch dowels. Diameter: 0.550" Length: 16". Smooth grip for easy playability. Unique wrap near the neck provides a tight sound with just enough texture and improves durability. All Promark drumsticks are designed, engineered, and manufactured in the USA at our Texas facility to the most stringent quality controls in the industry.