?HIGH QUALITY MATERIAL? High precision screwdriver bit, high quality 45 # steel material, after special heat treatment, hardness can reach HRC52-60. ?ADVANTAGES? The rotating device installed by the ball bearing can maintain constant pressure of the finger and ensure the precise rotation and control of the finger, the magnetic suction head is easy to install and remove the fasteners. / li> ?WIDE APPLICATION? It is very suitable for repairing glasses, glasses, sunglasses, watches, as well as repairing electronic devices, computers and jewelry. High precision screwdriver bits quality and anti-static handles can meet many assembly or disassembly needs. ?SIZE? Kit including 25 in 1 screwdriver set: Five star screwdriver: 0.8 1.2, Torx screwdriver: T2 T3 T4 T5 T6 T8 & nbsp; T10 T15, Triangular screwdriver: 2.3, Y screwdriver: 2.0, Phillips screwdriver: 1.0 1.2 1.5 2.0 3.0, flat screwdriver: 1.0 1.5 2.0 3.0, pointed screwdriver: 0.8. ?SPECIAL DESIGN? Non-slip surface thread, tail bearing design can help you loosen tighter screws; each screwdriver bit is very suitable for the handle and can be easily changed from a screwdriver to another, so it's easy to switch between different screw or project. Product description SPECIFICATION: Material: steel 45 Size: 10.5 * 6.5cm Color: black UNDERSTAND: 1 * leather bag 1 * screwdriver handle 24 * screwdriver FEATURES: [+] High quality, durable materials [+] Non-slip surface thread, comfortable and non-slip hand [+] Widely used 25 in 1 screwdriver set [+] You can easily switch from one screwdriver to another [+] Precision screwdrivers can meet many assembly or disassembly needs [+] Organize a free leather bag, not easy to lose, save space