Ideal for anyone who needs to switch between different batch heads or screwdriver bits frequently, including enthusiasts, carpenters, mechanics, and electricians Builtin strong magnet and locking device prevent connectors from slipping off, providing a more stable working experience Designed for singlehead batch nozzles and easily connected to tools such as screwdrivers, drills, and wind batches Set includes 3 801/802 batch head selflocking connectors and 802 socket adapter; hardened steel and stainless steel construction delivers durability and torque for your electric screwdriver or drill Lightweight and compact, making it easy to carry and store; reduces the need for heavy toolboxes and adds convenience Use scenarios Quick switching between batch heads during cabinetry, furniture assembly, or DIY projects to maintain workflow Mechanical, automotive, or equipment maintenance where reliable torque and secure bit retention are important Electrical installations or renovation tasks where a compact, torque connector set improves control and efficiency