Product Description Features: *Brand new and high quality. *Made of high quality material, durable and practical to use. *Damaged Screw Extractor -- Screw extractor is made of high quality High-Speed Steel 4341. High hardness, durable and easily remove damaged screws. *Easy Remove: The stripped screw extractor set includes two extension bit holder. You can remove in step, do not need to convert the extractor or adjust the chuck. *Versatile: The stripped screw extractor kit includes 20 pieces of stripped screw extractor in 10 different sizes, which can satisfy all you demand. Suitable for any sizes screw or bol. *Multipurpose: Suitable for bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws. *Note: It is recommended to use electric hand drill, please don't use hammer drill mode. Please use in low speed. How to Use: 1. The size of #6 - #10 needs to be installed in the socket adapter firstly, and then attach it to the extension bit holder (The other sizes can be attached to the extension bit holder directly). 2. Use the drill (Dr) bit to drill a hole in broken screws. 3. Change to use the extract (Ex) bit with the same size. 4. Reverse use the drill and take out the broken bit. Warm Tips: 1. Must drill a hole first when the break screw surface is smooth. Otherwise the drill bit will slip. 2. Must be vertical and low speed when drilling, reverse use this bit, drill the first hole deeper will easier to take out. 3. It is best to use electric hand drill, can not use the hammer drill mode. Must be low speed during use. Package Contents: 20*Damaged Screw Extractor(Ex#1-#10, Dr#1-#10) 1*Magnetic Extension Bit Holder 1*Socket Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Payment Payment must be completed within 5 days. If you have any problems about payment, please contact us via Delivery details We only ship to confirmed Order addresses. Please comfirm that your Order address is in line with your shipping address. Please kindly note that the c ombined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. It takes about 7 -15 working days to US; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection . If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance. Contact us We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, p lease feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours. On Aug 16, 2023 at 00:27:51 PDT, seller added the following information: