This artist-designed series is available in varying hardness so you can find the perfect fit for the sound you want. Soft: With a dark fundamental this mallet projects a beautiful sound in the low register of the marimba. An ideal mallet to roll. Medium Soft: Ideal when articulation is required in the low register while maintaining a fundamental dark sound. Medium: A full sounding mallet with articulation for the lower half of the marimba. Medium Hard: The General mallet of the series. Covers the entire range of the marimba with an articulated dark fundamental sound with a touch of high overtones. Hard: A bold and articulate mallet Well balanced mallet between fundamental and high overtones. Hard & Bright: A crystal clear sound can be created and yet with a tone that is full and rich. Very Hard: Designed for the top 3 octaves for the most projected clarity.