Mophorn Torque Screwdriver with Scale 1/4" Bit Size, 10 - 70 in/lb Range, Scale This scale - type torque screwdriver is a powerful tool with high compatibility and quality. It has an aluminum - alloy body and alloy - steel blade, which makes it lightweight and durable. It comes with 12 screwdriver heads for a more professional configuration. Whether you are a professional technician or a DIY enthusiast, you can easily use it to complete various tasks. Get your own torque screwdriver now! High compatibility, laser calibration, lightweight, high strength, over - torque reminder, quick setup. Key Features Over - Torque Reminder: When approaching the preset torque, the torque screwdriver makes an audible "click" sound and automatically slips, preventing over - tightening or under - tightening damage. Quick Setup: Even beginners can easily set the desired torque value. Just rotate the adjustment wheel, press down in two simple steps, and then turn the handle. High Compatibility & Laser