About this item ?【DIFFERENCE FROM OTHERS】: This precision screwdriver set of the uprade version is equipped with a damaged stripping set (ex # 6 - # 10, dr # 6 - # 10) for broken screws. Used for all types of broken bits and is only suitable for low speed electric hand drills while in use. ?【MINI PRECISION SCREWDRIVER SET】: Precision mechanic set has been optimized 138 piece set. The kit contains 117 precision bits and basic mortise tools. Can be used for home appliances such as televisions, air conditioners, fans, refrigerators, etc. It can also be used for the disassembly and maintenance of cell phones, digital cameras and watches, laptops and game consoles. Increase the gamebit 3.8 and 4.5, compatible nintendo retro game consoles and cartridges can be opened. ?【VARIETY OF SPECIAL BITS】: The low weight and compact design of these durable screwdriver bits made of Crv steel. The chrome vanadium head has a hardness of 55-60hrc, guaranteeing a long service life, good performance, stable quality and practicality. Precision screwdriver kit can be used in a variety of practical situations to meet your various needs. ?【LARGE HANDLE】: The handle is enlarged and equipped with silicone material, ergonomic and non-slip. Also includes plastic magnetizing precision esd tweezers. Additional extension rod with flexible shaft of up to 110 mm adjustable length and flexible soft shaft, ideal for stereo work. Small screwdriver set, available in soft and hard extensions for narrow corners. ?【PORTABLE SCREWDRIVER SET】: Repair tool kits are equipped with a storage box made of impact-resistant pp material. The storage space is adequately designed, the position and size of the accessories are the same and the parts cannot easily fall out. Magnetic bit tips for effortless mounting of micro screws. Screwdriver with swivel head for efficient and pleasant work. › See more product details