Royal Classics RC10 Professional Nylon Guitar Strings， High Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Royal Classics Professional set features high tension silver-plated basses and transparent high tension trebles. </span></li><li><span class="a-list-item"> The Professional set is known and relied on for projection， volume and rich harmonics. </span></li><li><span class="a-list-item"> Treble gauges: .76mm/.030"， .85mm/.033"， 1.05mm/.041" Bass gauges: .84mm/.033"， .89mm/.035"， 1.12mm/.044" </span></li><li><span class="a-list-item"> Treated with an ultra thin proprietary anti-oxidant coating. </span></li><li><span class="a-list-item"> Crafted in Spain by and for serious guitarists. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51qBBw5k3tL.jpg" noproxy>