uxcell Plastic Square Cover Tube Inserts End Blanking Cap 25x25mm 30Pcs White Product Mame : Square Tube Insert;Top Size : 25 x 25mm / 1" x 1" (L*W) Bottom Size : 16 x 16mm / 0.6" x 0.6" (L*W); Thread Size 24 x 24mm / 0.95" x 0.95" (L*W); Total Height : 15mm / 0.6" Material : Plastic;Color : White Net Weight : 99g Package Content : 30 x SquareTube Inserts