Features: Effortlessly install and secure electrical connection with this 400 piece plug connector set featuring tool easy quick lock designs, eliminating complex wiring tools while ensuring strong plastic construction for long term reliability. Engineered with general compatibility, these male female connectors accommodate diverse wiring terminals and devices, crafted from premium abrasion resistant plastic that withstands frequent repositioning in demanding environments. Ideal for homeowners upgrading household circuits and professional electricians managing large scale installations requiring bulk electrical connectors for consistent performances. simplify residential rewiring projects or commercial electrical maintenance tasks where rapid deployment of secure plug connectors across multiple appliances and junction boxes is critical. This comprehensive plug connector set solves inventory shortages with 400 standardized units, enabling seamless integration across lighting systems, HVAC controls, and power tools while meeting strict electrical safety standards. Specifications: Component : Plastic Storage box size: about 25x100x175mm/0.98x3.94x6.89inch Package Includes: 200pcs Plug Male Connector & 200pcs Plug Female Connector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.