Plastic Square Pipe End Caps Tubing Insert Plugs 30x30mm 30 Pcs White Product Mame : TubingPlug;Plug Dia : 30 x 30mm/ 1.2" x 1.2"(L*W) Over Height : 18mm / 0.7";Material : Plastic Color : White Net Weight : 145g Package Content : 30 x TubingPlugs