Features High Quality 5V 1-Channel Relay Module: This module offers high-quality performance with a 5V power supply and 1-channel bistable self-locking relay, ensuring reliable and efficient . Convenient Trigger Control: Easily activate the relay by clicking the trigger port to pull it in and hold, and click again to disconnect, providing convenient and intuitive control. and Long Service Life: Constructed with high-quality materials, this relay module is and has a long service life, ensuring lasting reliability for your applications. High Accuracy and Strong Stability: With high accuracy and strong stability, this relay module is easy to install and use, delivering and reliable performance for various applications. Safe Low Pulse Trigger: The trigger mode is a low pulse trigger, providing a more convenient and safer for your peace of mind. Features: 1、With double pinions drive system, it can be used smoothly and improve your work efficiency. 2、Made of high quality steel with advanced technics, long service life. 3、The chuck of hand crank drill is adjustable which ensures you can install drills of different sizes. 4、Mainly used for gear and shaft sleeve and other tight parts of the removal and deformation of parts correction. 5、Perfect for wood, bamboo, soft thin metal, plastic, PVC, acrylic, glass fiberboard, circuit board and more. Specification: Features: With double pinions drive system, it can be used smoothly and improve your work efficiency. Made of high quality steel with advanced technics, long service life. The chuck of hand crank drill is adjustable which ensures you can install drills of different sizes. Mainly used for gear and shaft sleeve and other tight parts of the removal and deformation of parts correction. Perfect for wood, bamboo, soft thin metal, plastic, PVC, acrylic, glass fiberboard, circuit board and more. Specification: Material: Steel Weight: Approx. 683g~732g / 24.1oz~25.8oz Chuck size: 1/4", 3/8" (Optional) Clamping range: 1/4: 0.6-6mm, 3/8: 1.5-10mm Package List: 1 * Hand Drill 1 * Wrench 1 * Drill Chuck Note: Please allow slight error due to manual measurement. Thanks for your understanding. Package List