Product Features: 1. These multiple size screwdrivers come in a handy leather wallet case, light and portable, internal type batch head bayonet fixed, not easy to scatter. 2. Each screwdriver bit fits perfectly onto the handle, and can easily be changed from one to another, so switching from different screws or projects is a breeze. 3. Full set of 24 batch head, suitable for most digital products, various types of computer, mobile phone, camera, glasses, watches, car keys, iPad, tablet, PC laptop, RC quadcopter Drone etc. 4. High precision screwdriver head made from a chrome vanadium steel by special heat treatment, The handle made from alloy material manufacturer, the tail adopts the precision bearing design, flexible and easy to use. Step for Use: 1. choose the batch head you need to use, rotate 180 degrees and pull out, 2. Unscrew the handle cover, 3. Put the batch head into the handle, 4. Screw the handle cover. The Screwdriver Set include: 10 x "✡" (Star hexagon Screwdrivers) (T2/T3/T4/T5/T6/T7/T8/T9/T10/T15) 5 x "+" (Cross Screwdrivers) (1.0/1.2/1.5/2.0/3.0) 4 x "-" (Flat-blade Screwdrivers) (1.0/1.5/2.0/3.0) 2 x "★"(Pentagon Screwdriver) (0.8/1.2) 1 x "Y" (Y-type Screwdriver) (2.0) 1 x "▲" (Triangle Screwdriver) (2.3) 1 x "⊙" (Point Screwdriver)(0.8) 1 x Screwdriver Handle 1 x Black bag