Durable and reliable construction: Internal contact material is phosphor bronze with a surface treatment, combined with quality white ABS plastic for longlasting use and dependable connections. Compact 170hole design for small circuits: Standard 170hole layout with a 0.1inch (2.54 mm) pitch, providing 170 tiepoints and pin compatibility with common electronic components to meet typical prototyping needs. Colorcoded organization: Available in six colors (red, blue, yellow, green, white, black) to easily differentiate and organize multiple projects. Portable and lightweight: Dimensions are 47 x 35 x 9 mm and weight is 13 g, making it suitable for small DIY kits and onthego prototyping. Reusable for rapid prototyping: Ideal for repeatedly building, modifying, and testing circuit prototypes and different designs quickly and conveniently. Easy integration with other boards: Features extension clips for seamless connectivity with other boards and assemblies. Use scenarios: Quick prototyping of small circuits for hobby projects or tinkering at home. Educational demonstrations and handson electronics practice in classrooms. Onthego testing and iteration of circuit designs during fieldwork or portable labs.