Metal Threaded Type Insert Adapter for 1" OD Round tubing, 7/16" Center Opening, Pack of 20$$Hardware

Insert into end of tubing with 7/16" diameter center opening to receive glide or caster. Made for multigauge tube. Tube inside diameter 0.834" to 0.902". Pack of 20. Made in Taiwan. Metal Threaded Star Type Insert Adapter for 1" OD Round tubing, 7/16" Center Opening, Pack of 20