ROBITS 1 x 1 in. Tube Plug

This tube plug is an easy way to increase mounting opportunities in 1x1 in. Robits Tube and 1/8 in. 1x1 in. Pre-Drilled Box Tube. They are especially convenient when clearance is an issue and gussets aren't an option. This Tube Plug nests into Tube, leaving 1/2 of the Plug outside of the Tube and adding 0.5 in. to the length of the assembly.