These copper cones are made from red copper, resistant to high temperatures and corrosion. Suitable for Binzel 15AK MIG welding torch. Robust and durable, with a long service life. Simple structure, easy to assemble. Customer service: We strive to provide you with quality and convenient service. You are welcome to contact us if you have any problem with our product, we will give you a satisfactory answer. Specification: Material: red copper Size optional : 0.8mm Quantity: 20Pcs Total Length: 2.5cm / 1in Package Weight: Approx. 139g / 3.3oz Package List: 20 * Copper Contact Tips