Chair Swivel Durability Testing Machine is used to detemine the quality and use life of rotating chair. Fix its wheels on the turntable, press the seat, test the chair feet with given times and speed. Height of seat surface 350-600mm or specified Load Strength 225LB or specified Diameter of Turnplate .700mm Test Speed 6 rpm or specified Counter LCD, 0-999, 999 Machine Size 76* 66* 92cm Power 1., AC220V, 10A