One-piece alloy construction provides a clean, consistent, traditional swing 2nd Generation AV2 Anti-Vibration knob features an upgraded, finely tuned harmonic dampening system for better feel and less negative vibrational feedback Ring-free barrel construction allows for more barrel flex and increases performance with no "dead" spots Precision-balanced barrel results in a lower M. O. I. and balanced feel for precision and control USSSA 1. 20 BPF Certified, ISA Certified, ASA Certified