45mm x 45mm Plastic Square Caps Tubing Pipe Insert End Blanking 24 Pcs Product Mame : Square Tube Insert;Top Size : 45 x 45mm / 1.77" x 1.77"(L*W) Thread Size : 44 x 44mm / 1.73" x 1.73"(L*W);Overall Height : 19mm / 0.75" Material : Plastic;Color : Black Net Weight : 241g Package Content : 24 x Square Tube Insert