Product Name: 3-piece set of hexagonal handle quick release self-locking connecting rod (extended extension rod/drill adapter rod/batch head adapter) Product specifications: 60mm/100mm/150mm quick release extension rod 3-piece set Product Description: This 3-piece set of hexagonal handle quick release self-locking connecting rod is designed specifically for electric tools such as drills and impact screwdrivers, providing an efficient solution for quick replacement of batch heads, extended working distances, and stable transmission torque. The set includes extension rods of different lengths, suitable for narrow spaces or deep hole operations. The one click quick release self-locking design makes batch head loading and unloading more convenient, greatly improving work efficiency. It is an ideal assistant for professional maintenance, woodworking installation, mechanical assembly and other scenarios. Core functions: ✔ Quick release self-locking design - simply push to lock the batch head, press to release quickly, avoiding the problem of traditional magnetic batch heads easily falling off. ✔ High strength alloy steel - precision machining, rust and wear prevention, ensuring high torque transmission without slipping or breaking. ✔ How long adaptation -3 different length (short/medium/long) extension rods, flexible to meet various depth requirements for operations. Applicable scenarios: Furniture assembly/woodworking screw fastening Dismantling of deep hole bolts for automobile maintenance Precision installation of household appliances/electronic devices Construction site scaffolding or pipeline construction