Features 1、100% brand new and high quality. 2、Made of high quality metal material, pen tips has good thermal conductivity to be heated quickly. 3、Equipped with stencils, you can carve letters, numbers and basic symbols easily. 4、Fit for 30W external heating type soldering iron. 5、Ideal tool kit for woodworking ,soldering, metal working, craft, etc. Specification Features: 1. 100% brand new and high quality. 2. Made of high quality metal material, pen tips has good thermal conductivity to be heated quickly. 3. Equipped with stencils, you can carve letters, numbers and basic symbols easily. 4. Fit for 30W external heating type soldering iron. 5. Ideal tool kit for woodworking ,soldering, metal working, craft, etc. Specifications: Material: Copper & Metal Quantity: 28pcs Thread: Approx. 3.7mm Temperature Regulate Range: 0-450℃ Weight (Approx.): 125g Package Includes: 1 x cutting blade 2 x stencils with lowercase letters, numbers and basic symbols 10 x soldering iron tips 15 x wood burning tips Package List