Features: Precision mechanics screwdriver set: Precision mechanic tool set contains 107 different screwdriver bit, 10 bit for damaged screw extractor and 20 auxiliary tools such as extension shafts, tweezers, plastic lever bars, magnetizers/demagnetizers, magnetic plates and more. High-quality screwdriver bit: the screwdriver bit of the fine tool set are all made from chromes vanadium steel, which is wear-resistant, stable and impact-resistant. More professional fine tool set: ergonomic non-slip handle and tweezers, the precision mechanic tool set has non-slip particles on the handle for increased friction and a comfortable grip. Wide ranges of applications: the 138-in-1 mini screwdriver set is robusts and easy to use and is often used for disassembling and repairing DIY enthusiasts, electronic devices, small household appliances and more. Easy to use: If you have many repairs and DIY, you need a high-quality mini tool set to implement. All tool are packed in a storage box, so they can be easily to transport and stored. Specifications: Material:Steel Package Includes: 1x Plastic telescopic handle 1x Soft extension rod 1x Hard extension rod 1x Long needle suction cup 1x Electric connecting rod 1x Stainless steel tweezers 3x Plastic pry bar 1x Magnetizers 10Pcs Pry pieces 10Pcs Broken screw extractor 107x Batch head note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.