Features:_x000D_ _x000D_ Made of superior high speed steel, high hardness and anti-corrosion. _x000D_ Each tap extractor is specifically engineered for speedy grab-it and easy out broken screw taps. _x000D_ Works for removing stripped, rusted, broken, or corroded screws and bolts. _x000D_ Every tap extractor goes through rigorous quality testing, durable to use. _x000D_ Suitable for industrial screw and bolt removal and for everyday home repair work. _x000D_ _x000D_ Specification:_x000D_ Condition: brand new_x000D_ Material: High Speed Steel_x000D_ Weight & Model: (Optional)_x000D_ _x000D_ #A 108g/3.8oz (six-piece set) _x000D_ Specification Metric System British / American System _x000D_ 1# M4 6# _x000D_ 2# M5 8-10# _x000D_ 3# M6 12#-1/4 _x000D_ 4# M7-8 5/16" _x000D_ 5# M9-10 3/8" _x000D_ 6# M11-12 7/16-1/2" _x000D_ #B 493g/17.4oz (nine-piece set)_x000D_ Specification Metric System British / American System _x000D_ 2# M5 8-10# _x000D_ 3# M6 12#-1/4 _x000D_ 4# M7-8 5/16" _x000D_ 5# M9-10 3/8" _x000D_ 6# M11-12 7/16-1/2" _x000D_ 7# M14 9/16" _x000D_ 8# M16 5/8" _x000D_ 9# M18-20 3/4" _x000D_ 10# M22-24 7/8-1" _x000D_ #C 656g/23.1oz (ten-piece set)_x000D_ Specification Metric System British / American System _x000D_ 1# M4 6# _x000D_ 2# M5 8-10# _x000D_ 3# M6 12#-1/4 _x000D_ 4# M7-8 5/16" _x000D_ 5# M9-10 3/8" _x000D_ 6# M11-12 7/16-1/2" _x000D_ 7# M14 9/16" _x000D_ 8# M16 5/8" _x000D_ 9# M18-20 3/4" _x000D_ 10# M22-24 7/8-1" _x000D_ _x000D_ Package List:_x000D_ 1bag* Tap Extractor Set_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard._x000D_ _x000D_ 3.The product is not suitable for too tight break taps, if the tap is too tight it will make the extractor easy to break the jaws, the smaller the extractor the easier it will be to break the jaws.