Feature●【Secure Threaded Fastening】The underhoist support stand screw functions by rotating in a threaded manner to ensure secure fixation and prevent loosening.●【Adjustable with Four Holes】Jack stands features four adjustable hole positions, providing versatility for various uses.●【Dual Interchangeable Tops】Car jack stands equipped with switchable dual heads, enhancing versatility and adaptability.●【Convenient Handle】The lower end of the rod is designed with a handle, making it easy to manually carry when the product is lowered to its lowest position.●【Stability and Portability】The tall jack stands combination of secure fastening, adjustable holes, interchangeable tops, and a convenient handle ensures both stability and ease of use, making it suitable for various applications in a portable manner.Description