30 - NEW SOUTHWEST SPEED SQUARE TUBE PLUGS FOR 2" SQUARE TUBING, WELDS IN THE ENDS TO SEAL TUBING, GREAT FOR CHASSIS, FABRICATION, ANY WELDING APPLICATION TO ADD STRENGTH 30 - New Southwest Speed Square Tube Plugs (SWS Part # 701-3208). For 2" Square Tubing Welds In The Ends To Seal Tubing Great For Chassis Fabrication Or Any Welding Application To Add Strength