High-concerned chemical: None Customized: Yes Model Number: Test Breadboard Name: CHD Origin: Mainland China Mini Solderless Prototype Experiment Test Breadboard 400 Tie-points, 8.5 x 5.5 cm We Promise to: * Manufacture high-quality consumer goods. * Deliver orders with speed and accuracy. Customer Service Policy We are happy to answer your questions. Please , and we will respond as soon as possible. Usage: Suitable for auto IC, digital-to-analog circuits, microcontrollers, optocouplers, memory devices, voltage regulators, SCRs, field-effect transistors, Schottky diodes, relays, resistors, capacitors, LEDs, connectors, and other electronic components. 1. Worldwide shipping (excluding some countries and APO/FPO addresses). 2. Orders are processed promptly after payment verification. 3. We ship only to confirmed order addresses. Your billing address must match your shipping address. 4. Product images are for reference only and may differ slightly from the actual item. 5. Transit time is estimated by the carrier and does not include weekends or holidays. Transit times may vary, especially during peak seasons. Color: As Shown Material: Composite Package Contents: 1 x Test Protoboard