uxcell Rectangle Blanking End Tube Inserts Bung 13mm x 26mm 50 Pcs Black Product Mame : Rectangle Tube Insert;Top Size : 26 x 13mm / 1" x 0.5"(L*W) Inner HoleSize : 18 x 6mm /0.7" x 0.2"(L*W);Over Height : 13mm /0.5" Material : Plastic;Color : Black Net Weight : 82g Package Content : 50 PcsxRectangle Tube Insert