GHS Boomers Nickel-Plated Steel Electric Guitar Strings (5-Pack) for $5.00 Shipped
GHS Boomers Nickel-Plated Steel Electric Guitar Strings (5-Pack) for $5.00 shipped. Here is a screenshot for your reference. It features stainless-steel hex core wire for and nickel-plated steel material. Most places have it for about $24.
3 very similar deals were also reported by some other sources: