Challenger Multi-Toms utilize Ludwig's exclusive "Hi-Torque" Stabilizing Ring. Using high quality spun aluminum and seamless construction, it is designed for contemporary drumhead tuning. Adding to the Challenger's toughness and durability are high strength 6-ply Birch shells and Ludwig classic lugs. All Multi-Toms feature a diagonal cut, fitted with a molded ring, designed to drive the sound forward for ultimate projection, clarity, an...