1. This kit features 432 precisely drilled holes with a diameter of approximately 1.0mm each,spaced 2.54mm apart for easy component placement. 2. The boards are 1.2mm thick,ensuring durability and robust handling during the soldering process. 3. Perfect for soldering LEDs, ICs, DIPs, connectors, resistors, sensors, transistors, and other electronic components with standard 1-inch pin spacing. 4. The single-sided copper strip design of these prototype boards makes them incredibly easy to solder, providing a reliable base for beginners and experts alike to build and test various circuit . 5. Each package includes 10 single-sided copper strip circuit boards, offering ample quantity for multiple projects or complex electronic experiments. Thickness:1.2mm plastic board (bakelite board) Hole to hole spacing:2.54MM Hole inner diameter:1.0MM Colour:Orange Material:PCB Package Contents: 10 * PCB electric wood board 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.