Conductive Diy Ink Pen. Features: The Main Ingredient is Silver Conductive Copper Mixed Powder and Nickel Powder. It Can Conduct Electricity in Few Minutes After Air-dried. With Its Superior Performance, You Can Do More Simple or Complex Electronic Production. Good Conductivity,simplify Operation, Easy to Use. Made of High Quality Material,durable. Specifications: Ink Color: Black Use: Promotional Pen Ink Filling Type: Not Applicable Package Quantity: Single Model Number: Pen Dual-side Writing: No Capacity: 6ml Note: Actual Color May Be Slightly Different from the Image Due to Different Monitor and Light Effect . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.