Features: 1. Made of quality material, which is sturdy and high hardness, durable to use. 2. Can make jewelry texture appearance more beautiful. 3. Portable and lightweight, easy and convenient to use. 4. Special designed for pattern making in the process of jewelry processing. 5. 16/20pcs available, you can choose according to your own needs. Specification: Condition: Type: #1: 16 * Normal Chisel, #2: 20 * Normal Chisel, #3: 20 * Quality Chisel (optional) Color: As pictures shown Length: #1: 70mm / 2.8in, #2: 75mm / 3in, #3: 65mm / 2.6in (optional) Application: Jewelry tools, jewelry processing tools, carving tools, jewelry carving tools Package list: 16 * Normal Chisel / 20 * Normal Chisel / 20 * Quality Chisel (optional) Instruction: 1. Place the material in a gypsum mold jar and heat the mold through a soldering machine set or a tiger skin set. Heat the material and add a little borax.  2. When the gold and silver are melted and become the best flow state, the mold sludge is used to quickly press down.  3. Liquid such as gold and silver will solidify after one minute. Tap the plaster mold with a hammer until it cracks.  4. Delete the jewelry blank. Wash in an ultrasound cleaner and use your hair to clean the plaster.  5. Jewelry finishing molding (chain need to be welded), and finally processing the gold bucket with agate polishing machine or manual polishing.  6. Hung the grinding bucket with cloth or polishing wheel to finish the production of finished jewelry.  7. The seal punching tool is a pattern used in the jewelry making process to make the appearance and texture of the jewelry more beautiful.