Seller: senlowtheoriginal (1,090) 100%, Location: Wheat Ridge, Colorado, Ships to: US, Item: 333358914098 For sale is an Coil model 22 tone generator. It’s in good condition. This tool is made in USA. There are NO owner’s marks. Check out my other auctions for more cool stuff. No international purchases please. Thanks for looking. Condition: Used, Country/Region of Manufacture: United States, Product: Tone Generator, MPN: 22, Brand: Coil Sales & Mfg. Co.