HIGH QUALITY AND : Adopting high speed alloy steel, the extractor set has high hardness. WIDE APPLICATION: The 20pcs extractor is compatible with a wide range of screws and bolts, the extractor set can be used in a range of applications than ordinary extractors.The 10pcs screwdriver head can also be used to replace new screws instantly, which helps to complete the whole workflow. In addition, the set comes with 2 Extension Bit Holder and 1 Socket Adapter. 2 IN 1 REMOVER SET: extractor set contains 20 pieces of removers and 10 pieces of cloaks. It is not only compatible with the removal of damaged screws, but also allows for the immediate replacement of new screws. The set solves complex job requirements. Perfect for removing all kinds of screws, bolts and nuts. EASY TO OPERATE: Only 3 steps are required. 1. Choose the extractor that is smaller than the size of the damaged , 2. Drill into the damaged , 3. Pull out the damaged . EASY STORAGE: Extractor comes in a plastic case, easy to organize and store. And the extractor set is also labeled with the extractor size, easy to use. The set includes 20pcs extractor (1.3mm-5.7mm), 10ps capsule (1.5mm-5.9mm), 2 Extension Bit Holder and 1 Socket Adapter., Weight: 0.52470018356 pounds, Manufacturer: Tuidzljd