wide size

Model                install way A          install way B            install way C

12                         1200                     1186                         1086

15                         1500                      1486                         1386

18                          1800                     1786                         1686

21                          2100                      2086                         1986     

A:install on the wall  

B:workbench don't have upright install

C:workbench have upright install

The hole of the square hole peg borad can easy to turn,which can get heavey goods