About this item Multi-Material. Modern mallet putters designed with multi-materials for high MOI, stability and better roll STABILITY. Lightweight 6061 aluminum core paired with heavy 304 Stainless Steel frame, resulting in high MOI to consistently promote a square face to the path. PURE ROLL INSERT. Based on robot testing of Pure Roll groove vs. solid face, Pure Roll insert increases topspin and improves forward roll for distance control BETTER SOUND AND FEEL. Vibration damping PU foam embedded between the body and frame for enhanced sound and feel. › See more product details