(Pack of 25) 2-3/4” Square Tubing OD 2.75 Inch (70 x 70 MM 6 to 9 Ga Rare Size for Thick Walls 3.6 to 5 MM) to fit Inside Dimensions ID from 2.5/16” to 2.3/8”. Heavy Duty Rare Size Square Plugs
(Pack of 25) 2-3/4” Square Tubing OD 2.75 Inch (70 x 70 MM 6 to 9 Ga Rare Size for Thick Walls 3.6 to 5 MM) to fit Inside Dimensions ID from 2.5/16” to 2.3/8”. Heavy Duty Rare Size Square Plugs
100 MM (3.937") OD Heavy Duty Round LDPE Tubing Plug-End Cap 4-7Ga 0.177 to 0.236” Wall Thickness | ID Grip Range from 3.464 to 3.584” -Rare Size Made in USA by SBD
(Pack of 2) 2-38" Square (60 X 60 MM / 2-3/8 Inch) Square Plastic Plugs ' 6-10 Ga - (for ID 1.902" to 2.094") ' Flexible Ridges n Side walls ' Heavy Duty Impact Resistant ¼ thick Top Cap ' by SBD
SBDs (Pack of 2) 5.0 Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" For ID 4.482 to 4.732 Made in USA.
SBDs (Pack of 5) 5.0 Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" For ID 4.482 to 4.732 Made in USA.
SBDs (Pack of 12) 5.0 Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" For ID 4.482 to 4.732 Made in USA.
SBDs (Pack of 30) 5.0 Plug for Square Tubing (SQR 5-3-10 PE-LD) to fit Square Tube End Caps Size OD 5.0" 'Wall Thickness 3-10 Ga. (.259-.134)" For ID 4.482 to 4.732 Made in USA.
SBDs 6.0 Plug for Square Tubing (SQR 6-3-10 PE-LD) to fit Square Tube End Caps Size OD 6.0" 'Wall Thickness 3-10 Ga. (.259-.134)" For ID 5.482 to 5.732 Made in USA