Conductive Ink Pen-- Can be used for circuit board repair, circuit graffiti, e-cards, etc.Conductive Pen-- The main conductive component of the conductive paint is metallic powder. Conductive Paint-- Some insulating materials can be covered on the drawn circuit, thereby drawing a multilayer circuit. Conductive Ink Pen-- Conductive ink adheres to commonly used materials and is not easily washed with water. Electronic Conductive Paint Pen-- The paint is highly fluid and can be electrically conductive after being painted and naturally dried. Application: simple circuit repair, interesting circuit productionColour: white+black Material: ABS Size: 10 x 2 x 2CM Package Contents:1 x Conductive Ink Pen Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Products from GuanGuan's store