TreeWorks TRE430 Five Note Energy Chime Books - Percussion Instructional  These fit almost exactly

 These fit almost exactly like their brass counterpart but are slightly longer

c : Thickness 19

Its transformerless output stage also makes the microphone resistant to electromagnetic fields and minimizes transmission losses

Four isolated 9V outputs

TreeWorks TRE430 Five Note Energy Chime Books - Percussion Instructional  These fit almost exactlyThe metal chime bars are made of TreeWorks' exclusive Aluminum Titanium alloy, comprised of 11 different metals melted together. They are heat treated for 8 hours to create a crystal clear tone, then the bars are polished to a brilliant finish. The unique chromatic like tuning has been described as ethereal and shimmering. It blends beautifully in all musical settings. This distinctive sound is what made TreeWorks Chimes famous. The mantle, TreeWorks'