Not Easy to Break:Made of high quality plastic PE and the surface is frosted great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, patio furniture inserts, chair leg protectors, and much more. Non-slip wear, not deformed and can use for a long time Multi-layer Blade:Square plastic plugs uses a four-blade design to make it more durable.Therefore, when the pipe plug is not easy to be inserted,it can be properly knocked and not brokenthey are also designed to hold up against impact abuse, and harsh weather conditions Easy to Install:Our products are plug-in,You can install the plastic square plug directly in the place where it needs to be installed without a glue or nail and it is very simple,you can finish the mounting process by cover it on the feet of the furniture fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps Multipurpose:Not only ideal for protecting floors and furniture such as metal fabrications, chairs, sofas, tables, shelving units, cabinets, handrails, gates but also serve as a long-lasting solution for many household or outdoor projects including replacements for fencing railing posts, fence,gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any square opening Specifications:Set contains 40 plastic square plugs and their dimensions are 40*40mm, you can choose to buy as needed