2pcs 3.94" to 5.91" Adjustable Screw Jack with 20 Tons Capacity Post Machinist Jack Heavy Duty Screw Jack Stands for Machine Tool

Size: Upper Diameter: 60mm/2.36". Bottom Diameter: 76mm/2.99". Adjustable Height: 100-150mm/3.94"-5.91". Thread Size: M24 3 | Material: Made of metal, sturdy and reliable, wear-resistant, has strong load-bearing capacity and a long service time | Adjustable Height: The adjustable height range is 3.94" to 5.91", and the height can be adjusted according to your actual needs | Advantage: The structure is stable and the load-bearing capacity is strong, with a load-bearing capacity of up to about 20 tons | Application: Can be used for machine tools, milling machines, drilling machines, installation machinery leveling work