- "StudioTree(TM)" with 44 Ultra thin single-row bars - Designed for low volume acoustic settings and recording (not for loud performances) - Hand-tied with braided "CordLoc(TM)" for durability (No Plastic Ties) - Thinner 1/4-inch Aluminum/Titanium alloy chime bars polished & T-6 tempered for a brilliant tone - Hand-finished Tennessee Black Walnut Mantle - Handmade in Nashville, Tenn.