Vic Firth M260 Marimba Mallets Are Made of Synthetic Yarn, Which Provides the Mallet With a High-speed Rebound and Allows for Maximum Control in the Upper Register. The Synthetic Yarn is Wrapped Around a Birch Handle and Then Tightly Wound to Create a Smooth, Uniform Surface. This Combination Produces High-quality Percussion Sounds on Marimbas and Xylophones. Synthetic Yarn Offers More Flexibility Than Horsehair, Making It Easier to Play Softer Passages and Perform Rolls.features. Clear Rhythm - Superior for Rolls and Agile Enough for Rhythmic Clarity in the Lowest Register. Birch Handles - High-quality Birch Handles, Comfortable and Straight, Designed to Embrace the Musical Experience Ian Has Acquired Over the Years. Enjoy a Consistent Tone - Unlike Other Mallets That Lose Their Tone Over Time, the Vic Firth M260 Marimba Keyboard Mallets Are Created to Be Used a Lot. You'll Get the Same Consistent Sound Every Time You Play. Get the Articulation You Crave - the Vic Firth M260 Marimba Keyboard Mallets Are Designed to Give You the Articulation and Feel That You Need to Make Your Music Come Alive. Ian Grom Inspiration - the Vic Firth M260 Marimba Keyboard Mallets Are Designed to Embrace the Musical Experience Ian Grom Has Acquired Over the Years. Product Specs. Manufacturer Part Number. M260