Features 1、Damaged Screw Extractor: This screw extractor is made of high quality steel. High hardness, High quality and easily remove damaged screws. 2、Easy to Use: The stripped screw extractor set is included two extension bit holder, making it a conveniently comprehensive kit. Can remove in one step, do not need to conversion the extractor or adjust the chuck. 3、Wide Compatibility: Stripped screw extractor kit is includes stripped screw extractor in 12 different sizes to satisfy all you demand. Suitable for any sizes screw or bolt, making this the only set you’ll need for most fastener issues 4、High Quality: The popular spiral screw extractor set is made from steel for extra durability and a good lifespan. With the compact size, which allows you to carry it in a pocket or with their drill. 5、Safety Note: Don/u0027t use it with impact drivers, it is designed to work with the electric drills. Specification Features: 12Pcs Damaged Screw Extractor: This screw extractor is made of high quality steel. High hardness, High quality and easily remove damaged screws. Easy to Use: The stripped screw extractor set is included two extension bit holder, making it a conveniently comprehensive kit. Can remove in one step, do not need to conversion the extractor or adjust the chuck. Wide Compatibility: Stripped screw extractor kit is includes stripped screw extractor in 12 different sizes to satisfy all you demand. Suitable for any sizes screw or bolt, making this the only set you’ll need for most fastener issues High Quality: The popular spiral screw extractor set is made from steel for extra durability and a good lifespan. With the compact size, which allows you to carry it in a pocket or with their drill. Safety Note: Don't use it with impact drivers, it is designed to work with the electric drills. Specifications: Quantity: 12Pcs / 24Pcs (Optional) Material: Steel Model: 12Pcs: TE10, TE15, TE20, TE25, TE27, TE30, TE40, TE45, TE50, TE55, 1/2", 1/4" AD 24Pcs: Dr#1, Dr#2, Dr#3, Dr#4, Dr#5, Dr#6, Dr#7, Dr#8, Dr#9, Dr#10, Ex#1, Ex#2, Ex#3, Ex#4, Ex#5, Ex#6, Ex#7, Ex#8, Ex#9, Ex#10, ADP, BIT HOLDER Function: 12Pcs: Removal range: 2-14mm; can remove broken head screws only, no drilling 24Pcs: Removal range: 1-10mm; can remove broken screws + drill holes Package Weight: 332g / 11.71oz Package Size: 15 * 11.5 * 3cm / 5.91 * 4.53 * 1.18in Package List: 10 * Broken Head Screw Remover 1 * Connecting Rod 1/4" 1 * Socket Wrench Adapter 1/2" 1 * Storage Box Package List 10 * Broken Head Screw Remover 1 * Connecting Rod 1/4" 1 * Socket Wrench Adapter 1/2" 1 * Storage Box