Quality Material: These scissor jack adapters offer excellent performance, they are made of strong chrome vanadium steel and composite steel materials that are strong, resistant to wear and tear, and rust and corrosion resistant. They are of extremely high quality and there is no need to worry about the quality of the drill adapters during use. Easy to Use: Scissor jack adapters are easy to use and convenient. Slide the drill jack adapter onto the scissor jack and insert the bolt and washer through the pre-drilled holes in the adapter and the jack. Just insert the compression washer, bolt washer and nut on the other side and tighten the bolt that secures the impact jack adapter to the scissor jack. Save Your Time: These scissor jack adapters are rugged and fully functional. Scissor jack bit adapters allow you to raise, lower and level your scissor jack faster and easier than ever before, increasing efficiency. The high performance allows for quick removal of flat tires, effectively reducing or minimizing the time and effort required to use a scissor jack. Long Service Life: These scissor jack adapters are of excellent quality nature, they are stable in performance and sturdy and durable. After strict production and testing procedures to ensure the stable operation of the product..Items from Sheng Xinshun's shop