Features: 1. High-grade Pure Copper Head: The head is made of pure copper, which is not easy to damage, high hardness, strong corrosion resistance and more durable. 2. Surface Treatment: the surface is treated with electroplating paint, high gloss, beautiful and practical. 3. Detachable Design: Detachable, easy to use, easy to clean. 4. Aluminum Pen Body: The pen body is made of aluminum with high density and can be well protected from corrosion. 5. Good Using Effect: Quickly and effectively painting edge oil. Specification: Condition: 100% Brand New Item Type: Edge Dye Pen Material: Aluminum & Copper & Stainless Steel Packing: OPP bag Color: Black, Silver, Red, Yellow (optional) Package List: 1 * Edge Dye Pen Operating Method: Tools to be prepared: Cotton swab, water, edge clipper, edge pen, leather material, fine sand paper, coarse sand paper, leather edge oil Step 1: Apply appropriate water with a swab Step 2: Use rough sandpaper to polish the edges and smooth them as much as possible Step 3: Use the edge clipper to trim the edges Step 4: Apply appropriate water to the edge of the skin with a cotton swab Step 5: Use the edge oil pen to dip into the edge oil Step 6: Don't overdo it when you apply it, it will make the oil uneven. Package List 1High-grade Pure Copper Head: The head is made of pure copper, which is not easy to damage, high hardness, strong corrosion resistance and more durable. 2Surface Treatment: the surface is treated with electroplating paint, high gloss, beautiful and practical. 3Detachable Design: Detachable, easy to use, easy to clean. 4Aluminum Pen Body: The pen body is made of aluminum with high density and can be well protected from corrosion. 5Good Using Effect: Quickly and effectively painting edge oil.