900 Series Heavy Hi-Hat Bottom 15''. Weight: heavy top/heavy bottom. Volume: medium to very loud. Stick Sound: strong. Intensity: lively. Sustain: medium long. Chick Sound: full, defined. Sound Character: Brilliant, fat, powerful. Wide range, clean mix. Fairly heavy feel. Strong stick sound. Energetic, bright open sound. Defined, solid chick. Versatile hi-hats for energetic playing. The package contains only the bottom cymbal.