Compact Storage Case Included: Comes with a practical storage case for organized portability, keeping all bits neatly arranged and easily accessible whenever needed Premium Steel Construction: The bits are made from steel, ensuring hardness, grip, and long lasting durability with excellent wear resistance Flexible Shaft for Tight Spaces: Features a flexible rotating shaft that allows easy access to screws in narrow or hard to reach areas, solving tricky corner and angles problems 153 in 1 Comprehensive Bit Set: This versatile screwdriver bit set includes 153 different bits, covering various types, making it perfect for daily household repairs and multiple applications Professional Applications: Ideal for repairing smartphones, precisions instruments, and various electronic devices, making it a must have for both home DIYers and professional technicians, Manufacturer: JunsenF