uxcell Home Office Plastic Square Tube Inserts End Blanking Black 25mm x 25mm 10 Pcs Product Mame : Square Tube Insert;Total Size : 25 x 25 x 17mm/1" x 1" x 0.7"(L*W) Fit for Mounting Size : 24x 24mm/0.9" x 0.9"(L*W);Over Height : 17mm/0.7" Material : Plastic;Color : Black Net Weight : 21g Package Content : 10 x Square Tube Inserts