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 M427 features a 1 1/4" Urethane core for a bold, dark sound with less front end attack compared to the M426.1 1/4" Round Urethane Core mounted on a Rattan HandleClassic round shape for a fuller sound and natural feelBold, dark sound, great for xylophone14.250" Overall LengthCompare to former model, Vic Firth Orchestral M134