Description: Material of Stencils: Stainless steel Material of Soldering Tips: Copper, iron Thread Size:Approx.0.37mm Suitable for: 30W External Heating Type Electric Iron Wood Carving, Wood Embossing, Wood Burning and Soldering Tips Great for Woodworking, Soldering, Metal Work, Hobby, Craft, Home, etc A wide variety of tip patterns can meet your needs and useful for creating Package Includes: 1 x Cutting blade with metal collet 2 x Stencils 10 x Soldering Tips 15 x Wood burning Tips