Item # | 
                        
                            Type | 
                        
                            Width | 
                        
                            Height | 
                        
                            Average Wall Thickness | 
                        
                            Materials | 
                                                        
|---|---|---|---|---|---|
| TR1610991 | N/A Rectangle Tube | N/A 16 in | N/A 8 in | N/A 3/4 in | N/A Carbon Steel | 
| TR1612579 | N/A Rectangle Tube | N/A 16 in | N/A 8 in | N/A 7/8 in | N/A Carbon Steel | 
| TR165736 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 5/16 in | N/A Carbon Steel | 
| TR166831 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 3/8 in | N/A Carbon Steel | 
| TR168968 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 1/2 in | N/A Carbon Steel | 
| TR1611036 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 5/8 in | N/A Carbon Steel | 
| TR1613033 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 3/4 in | N/A Carbon Steel | 
| TR1614961 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 7/8 in | N/A Carbon Steel | 
| TR1616818 | N/A Rectangle Tube | N/A 16 in | N/A 12 in | N/A 1 in | N/A Carbon Steel | 
| TR183943 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 1/4 in | N/A Carbon Steel | 
| TR184886 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 5/16 in | N/A Carbon Steel | 
| TR185810 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 3/8 in | N/A Carbon Steel | 
| TR187607 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 1/2 in | N/A Carbon Steel | 
| TR189334 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 5/8 in | N/A Carbon Steel | 
| TR1810991 | N/A Rectangle Tube | N/A 18 in | N/A 6 in | N/A 3/4 in | N/A Carbon Steel | 
| TR203943 | N/A Rectangle Tube | N/A 20 in | N/A 4 in | N/A 1/4 in | N/A Carbon Steel | 
| TR204886 | N/A Rectangle Tube | N/A 20 in | N/A 4 in | N/A 5/16 in | N/A Carbon Steel | 
| TR205810 | N/A Rectangle Tube | N/A 20 in | N/A 4 in | N/A 3/8 in | N/A Carbon Steel | 
| TR207607 | N/A Rectangle Tube | N/A 20 in | N/A 4 in | N/A 1/2 in | N/A Carbon Steel | 
| TR205736 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 5/16 in | N/A Carbon Steel | 
| TR206831 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 3/8 in | N/A Carbon Steel | 
| TR208968 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 1/2 in | N/A Carbon Steel | 
| TR2011036 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 5/8 in | N/A Carbon Steel | 
| TR2013033 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 3/4 in | N/A Carbon Steel | 
| TR2014961 | N/A Rectangle Tube | N/A 20 in | N/A 8 in | N/A 7/8 in | N/A Carbon Steel |