Alice Banjo Strings 4 Strings set AJ04 09-30 ~ String gauge: .009, .016, .023w, .030w (Each string in its own separate packages and properly labeled, they are great easy to install) ~ Plain strings are made of high-quality plated steel, wound strings are made of steel core and wound with silver-plated copper alloy ~ Preferred for its warm, bright, and well balanced tone ~ With anti-rust coating, these strings last much longer (compared with uncoated strings) ~ Certified products - every set includes a Code for product identification