This set consists of the following: 
2.5, 3.5, 4, 5.5 mm, PH2, Voltage tester 
 
Smooth hard zones for high speed turning 
Ergonomically designed handles provide a comfortable yet secure grip for users, reducing user fatigue and enabling high torque transger
Screwdrivers are colour coded according to their sizes, making it easy and convenient for users to identify and pick out the specific screwdriver(s) they need for their applications 
Hexagonal anti-roll feature to prevent the screwdrivers from rolling away 
Lasertip tips to allow for a more secure fit in the screw head, positioning the screw in the correct orientation making screwdriving works more efficient