Designed for discerning musicians, Gon Bops PCHAL36 Bar Chimes feature 36 chimes crafted from SABIAN Aluminum Alloy, tied with climate-resistant, braided 50lb line to a gorgeous Appalachian Red oak board. Alloy chimes are ideal for full, warm tone at moderate to high volume, with bright shimmer and sustain … the focus is in the mid-to-low range. These premium instruments come in a reusable clear-plastic protective tube.