The YMSZGBZG 8 Pack Adjustable Floor Jack set is a versatile solution for temporary support needs. These mini screw jacks are perfect for stabilizing RVs, providing a solid foundation for construction projects, or supporting heavy loads. With a telescoping design, each jack can extend from 4" to 6-3/4", offering flexibility in height adjustment. Constructed with durable materials, these jacks are built to withstand the rigors of various applications. The set of 8 black jacks ensures you have enough support for larger tasks. Whether you're leveling a camper, securing a workbench, or propping up a structure, the YMSZGBZG Adjustable Floor Jacks deliver reliable performance and peace of mind.