Prescott Plastics 1 Square Plastic Plug Insert

High quality high grade plastic finishing plug, end cap for 1″ outside diameter (OD) square tubing. These fit inside diameters (ID) from .75″ to .92″ (3/4″ to 15/16″ ID) and 11-20 gauge wall 1″ square steel tubing. PVB413 Heavy duty plastic plugs for square tubing are manufactured to provide a secure fit on multiple tube gauges.