1. Design The ratchet screwdriver set bits are made with density chrome vanadium steel which is extremely hard, wear resistant, and durable. Kit Each kit can be adsorbed on the handle and no longer worry about falling off. Non slip surface thread, the tail bearing design to help you release the tighter screws. Two handle caps are detachable and screws can be placed inside to facilitate the work. 2. Pratical RatchetThe handle of the ratchet screwdriver can rotate 180 °. This additional tree can help you work in hard to reach areas where the magnetic tip can attract lost mini screws with magnetic attraction. The small screwdrivers set is mounted in a small box with a shackle that can be easily suspended to save space. 3. Precision Bit SetThe star screwdriver set include sockets set/Hex/Torx/Flathead/Phillips/Pozi/Tri Point/Tri wing/Triangle/U Shaped/Square in 61 piece screwdriver set. It is a Multi Function Tool, 48 Bits Can Easily be Replaced, Suitable for Home Maintenance of Small Products. In most sizes, open all the screws! any size! They are capable of meeting your various needs. This useful mini screwdriver set is a good choice for both professional and amateur. 4. Wide ApplicationsRatchet Screwdriver Set includes 61 pieces is designed to Service washing machines, refrigerators, air conditioners, televisions, Laptops, Electronics Tool Kit for iPhone, PC, Laptop, Macbook, Ipad, Mobile Phone, PDA, TV, Glasses, Watch, Cameras, bicycles and other sports products, automotive parts, etc. quality wera screwdriver bits set and static handle to cater and fit many needs for assembly or disassembly.