With Tweezer, Extension road, Anti – slip handle, Flexible extension bar and 29 different bits. The bits are made of chrome-vanadium (CR-V) steel, offer durability and corrosion-resistant performance. Non-slip rubber designed handle for better and convenient Handling. Common used in precision work in electronics, DIY models, jewelry, eye glasses and other home applications. Special pentalobe screwdrivers for iPhone, iPad and MacBook.