High-concerned chemical: None is_customized: Yes Model Number: Test Breadboard Name: CHD : Mini Solderless Prototype Experiment Test Breadboard 400 Tie-points8.5x5.5cm About US We Promise to: * Manufacture only the best consumer goods and the highest quality possible. * Deliver goods to our customers all over the with speed and Customer Service Policy We are more than happy to answer any questions that you have, please contact with us and we do our best to get back to you as quickly as possible. Usage of business: auto IC, digital to analog circuit, single chip microcomputer, photoelectric coupling, storage, three-terminal voltage regulator, SCR, field effect, schottky, relays, resistors capacitors, , light tube, connectors, and other one-stop supporting ! 1. WORLDWIDE SHIPPING. (Except some countries and / FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times , particularly during the holiday season. Color: As Shown Material: Composite Package Contents: 1*Test Protoboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.