Round Plastic End Caps Insert Plugs. FEATURES: OOTDTY Ribbed for Easy Assembly and Secure Fitting Great to Cover Sharp Tube Edges Perfect to Make Ends Safe After Building For Keeping Water out and Stop Rusting from Inside Benefits of Using Plastic Tube Inserts Includes: Offers a Neat & Safe Finish to Tube Ends Tube Inserts Can Prevent Dirt & Dust Ingress Push in Application for Tight Fit SPECIFICATIONS:. Material: These Black End Caps Are Made of Durable Plastic And Built in Multiple Ribs for Easy Installation and Secure Fixation Diameter: 16mm,19mm, 20mm ,22mm, 25mm, 28mm, 30mm, 32mm, 35mm Multiple Outside Diameters: 1/2 Inches, 3/4 Inch, 1 Inch, 1-1/4 Inch, 1-1/2 Inch, 2 Inches; The Multi Sizes Allow for Wider Application Quantity:10 Pieces Each Size, Enough to Meet Your Different Demands in Daily Life NOTES: Choosing the Sizes of These Plastic Plugs is Determined by the Outside Diameter of Something That You Want to Insert INCLUDES: 10 X Round Plastic End Caps Insert Plugs . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.