The Round Female Power Plug for Chassis 5.5x2.1 with Nut (DC-022) is a durable and practical connection accessory for DC power applications. Designed for easy installation on chassis, it features threading and a nut for secure fastening. It supports standard plugs with a 5.5mm outer diameter and a 2.1mm inner diameter, making it ideal for electronic constructions, DIY projects, and repairs. Made from durable materials, it ensures a stable and reliable connection to the power supply.