Features:This set includes 23 different brass tips to help you create wonderful designs.Perfect for users of all skill levels: experts, intermediates or beginners.The marking tips can be used with a soldering iron to burn drawings, lettering and creating decorative patterns on wood, leather and cork etc.Great for woodworking, soldering, metal work, hobby, craft, home, etc.Friendly material with unique design and exquisite workmanship, which brings you great soldering experience.Specification:Material: MetalWeight: 70gBrass tip size: 3.7mmPackage Includes:23pcs x brass tipsNote:1.Please allow slight deviation for the manual measurement.Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard..3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.