【HIGH PERFORMANCE BOLT EXTRACTORS】: Removing broken or damaged screws, bolts and fasteners without any effort. The extractor can easily and quickly remove broken or rusty screws, bolts and studs 【CONVENIENT BROKEN SCREW EXTRACTOR】: Suitable for removing all available terms such as bolts, screws and studs ranging in diameter from 4mm to 25mm. Simple and reliable in general applications 【PORTABLE SCREW DRILL PULLER KIT】: Comes in a storage box with 12 pieces: 6 pieces for screw extractors and another 6 pieces for drills. Very convenient and practical to set up all these tools and carry them everywhere 【HIGH QUALITY SCREW EXTRACTOR SET】: This broken screw extractor kit is made of high quality material, which is durable enough for long term use. These extractors will remove most types of damaged, stripped, rusted, broken or stuck screws 【WIDE APPLICATION STUD REMOVAL KIT】: Whether you are a professional or an amateur, you all can keep such a set of tools at home in case of any necessary