DR Strings Sunbeam - Phosphor Bronze AcousticRound Core 12-54<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Gauge: Medium </span></li><li><span class="a-list-item"> Hand wound on round cores give added sustain </span></li><li><span class="a-list-item"> The tone does not seem to decay as do other phosphor bronze strings </span></li><li><span class="a-list-item"> Musically bright and rich sounding </span></li><li><span class="a-list-item"> Very flexible </span></li><li><span class="a-list-item"> Gauges 12-16-24-32-42-54 </span></li><li><span class="a-list-item"> Wonderful sustain， Flexible </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61Ci4eV2-LL.jpg" noproxy>