zvd rolling tray 2 pieces swivel 360 turntable metal swivel ball bearing square bearings rotating rolling plate for furniture and display rotating

package includes 2 pieces bearing turntable. size 71 71 8mm. bearing range 20 30 kg. material made of galvanized sheet. meet the flexibility needs of turntables. flexible rotation round groove design for bearing and support. 360 degree continuous rotation for this turntable. widely application turnt