With the short, 75cm, 10-hole bars, 3 trolleys can be transported on top of each other giving a total height of 235 cm.
With the 115 cm, 18-hole bars, 2 trolleys can be transported on top of each other giving a total height of 240 cm.
The 165 cm, 28-hole bars are mainly used for specific orders. The total height of a trolley with these bars is 175 cm.
The 180 cm, 30-hole bars are the most used and give a total height of 190 cm, including the trolley.
The covers can easily be put on the top end of the posts and prevent damage and / or injury to users.