Homedepot offers Hampton Bay 12-Light 24 ft. Black Indoor/Outdoor Commercial Incandescent Edison String Light GLS-14J2-E26S-12 for $16.49 (orig. $54.97) with free shipping.

Product Description:

High quality, Hampton Bay commercial grade string light will brighten patios, backyard living areas and indoor or outdoor gatherings with reliable and festive points of incandescent light. Connect up to 10 string light sets together end-to-end for larger areas. Each 120-Volt 24 ft. string light set has 12 suspended sockets which form a tight weather resistant seal around the light bulb.