Universal screw driver set:meet every DIYer, fixer,hobbyist, and professional needs to tackle any job like repairing phones,PC,laptops,computer,iPhone,game consoles and other small electronics; Innovation design:well-made handle with extension shaft inside which can pop up automatically by press the button,enjoy the fun of fixing; Precision screwdriver set:patent design screwdriver bits will provide more precise than the traditional bits before,can keep concentric and stability,will meet most professional technician needs,a mini magnet inside can provide magnetic for the bits any time;