uxcell Rectangle Caps Blanking End Pipe Tube Inserts 20mmx30mm 12 Pcs Product Mame : Rectangle Tube Insert;Top Size : 20 x 30mm / 0.79" x 1.18"(W*L) Mouting Size : 19 x 29mm / 0.75" x 1.14"(W*L);Over Height : 15mm / 0.59" Material : Plastic;Color : Black Net Weight : 45g Package Content : 12 x Rectangle Tube Insert