1.EFFORTLESS REMOVAL This 13piece kit makes it easy to remove stuck screws and is specially designed to efficiently extract bolts and nuts during multiple jobs. It offers versatility with its various sizes included to handle a wide variety of bolt related issues, all in convenient and reliable use. 2.HEAVY DUTY MATERIAL Made of chrome vanadium steel, this bolt extractor set ensures longlasting performance while resisting wear during use. Its solid design makes it reliable for demanding tasks, such as pulling stuck or rusted bolts, meeting the expectations of DIY enthusiasts and professionals. 3.PRECISE EXTRACTING TOOL: Features specific nonslip grooves for better grip when removing rusted hub bolts, coupled with precise surfaces to effectively protect bolt threads. The meticulous design ensures grip, making it easier to work on hardtoreach or heavily corroded bolts. This tool is designed to meet the needs of DIY enthusiasts and hobby mechanics who are faced with 4.Adaptive Extractor Kit: Ingeniously designed as a practical tool for mechanics, it covers various sizes of hex bolts, proving ideal for disassembling household appliances and adaptable to automotive repairs in different practical applications