Unique 46++ Silk And Steel Acoustic Guitar Strings 12. 4.8 out of 5 stars based on 46 product ratings(46). The silk and steel acoustic guitar strings from ghs strings bring you a classical, warm tone to your acoustic guitar, while retaining the full sound with. Great for daily play and appropriate for all skill levels. Made with an 80/20 bronze alloy wrap, along with a layer of silk between the wrap and silk and steel soft 12 string acoustic.