Description:Exquisite and high-quality workmanship makes it wear-resistant and anti-rust. Reverse rotation of the thread makes it possible to be better to take out the broken screw.The labor-saving and time-saving features make it very convenient and fast. 6.35mm hexagonal shank makes it suitable for use with a variety of electric hand drills.Made of high speed steel material, it is very durable to use.There are five different specifications in this set.It is suitable for the removal of broken water pipes, broken ends, sliding wires and screws.Item Name: Broken Screw ExtractorMaterial: High Speed SteelShank Type: Hexagonal ShankScope of Application: 3-4mm, 3-5mm, 3-6mm, 5-8mm, 6-11mmFeatures: Reverse Rotation Thread, Improve Efficiency, Non-SlipSize Details: 3-4mm: 5cm/1.97" (Approx.)3-5mm: 6cm/2.36" (Approx.)3-6mm: 6.5cm/2.56" (Approx.)5-8mm: 7cm/2.76" (Approx.)6-11mm: 8cm/3.15" (Approx.)Shank Diameter: 0.635cm/0.25" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:5 x Broken Screw Extractor (3-4mm, 3-5mm, 3-6mm, 5-8mm, 6-11mm)