Check the listing for details. Innovative Percussion DF30 David Friedman Vibraphone Mallets - Ivory Yarn/Grey. Condition: New. Listed at 57.95 USD. Full-bodied Tone Tailor-made for Ensemble Playing Ensure each note rings through loud and clear with Innovative Percussion DF30 David Friedman vibraphone mallets. Designed in collaboration with the internationally renowned percussionist, educator, and composer himself, David Friedman's DF30 mallets produce a deep, resonant tone that blends beautifully in ensemble settings with plenty of cut when needed. Sweetwater percussionists find DF30 mallets to be perfect for indoor and outdoor vibraphone work, producing full-spectrum dynamics and clarity at all times. Rattan handles deliver the excellent rebound and handfeel discerning professionals crave, with a durability that's sure to last through your next performance season.