Replaces model # VF-M141. The Vic Firth Articulate Series Keyboard Mallets are a comprehensive collection of sounds across Xylophone and Bells/Glockenspiel. With over 40 options spanning various materials, sizes, and weights, the Vic Firth Articulate Series is your one-stop-shop for finding the perfect sound, no matter the venue or repertoire. The M424 features a 1" round nylon core and are a great option for situations requiring both warmth and clarity on the instrument.