Plastic Blanking End Caps Rectangle Tubing Tube Inserts 20x40mm 5 Pcs Product Mame : Rectangle Tube Insert;Top Size : 40 x 20mm / 1.6&rdquo; x 0.78"(L*W) Bottom Size : 38 x 19mm / 1.5" x 0.75"(L*W);Overall Height : 15mm / 0.59" Material : Plastic;Color : Black Net Weight : 24g Package Content : 5 x Rectangle Tube Insert