I bought this wire Nichrome 80-50' - 20 Gauge Resistance Wire: Amazon.com: Tools & Home Improvement and thought it did a really good job. I also bought these generic ones from Amazon that I was prety happy with. Amazon.com: 23pcs Wire Wood Burning Tips, Pyrography Tip Nibs Kit, Wood Burner Set Tool For 30-50w Adjustable Wood Burning Machine Pyrography Machine : Arts, Crafts & Sewing