Hard Yellow Cord Mallets with Birch Handles The Mike Balter Pro Vibe Series carries on a heritage of performance and reliability with a distinctive style. The heavier, round shaped cord wound mallet head provides the preferred vibe sound. Ready to impress in any situation, the Pro Vibe Series with its ideal weight and balance is the all-around choice for today's player. Head Diameter: 1 1/2" Overall Length: 15 1/2".