Adjustable steel stands

The stand is made of 5 mm thick steel sheet, a steel tube with an extruded thread with a diameter of 38 mm and a wall thickness of 4 mm, and a ring nut with a socket for the frame tube. The sheet of the stand is embossed for reinforcement and has holes for possible mounting of the castor. Necessary for setting and leveling the first level of scaffolding. The stand has a protection against overtightening of the rim nut.