🔧 Connect, Create, Conquer! Includes a variety of pin configurations to meet all your project needs. Seamlessly integrates with Arduino, breadboards, and 3D printer boards. Designed for 18-26 AWG wire, ensuring a perfect fit every time. Effortlessly create secure connections with our easy-to-use crimping method. Unlock endless DIY possibilities with 620 pieces! 620 pcs connectors 2.54mm pin pitch Easy crimping The WOWOONE 620pcs JST SM Connector Kit is a comprehensive assortment of male and female connectors, designed for DIY enthusiasts and professionals alike. With a pin pitch of 2.54mm and compatibility with various wire gauges, this kit is perfect for projects involving Arduino, breadboards, and 3D printers. It includes a wide range of pin configurations, making it an essential addition to any toolkit.