Pinpulux 8Pcs Plastic End Caps 40x40mm Square Box Section Worktop End Caps for Metal Tube, Anti-Slip Plastic Square Tube Plug Tables Shelves Bungs Plugs for Pipe Desks Beds Sofa Shelf Chair Stoppers

• Precision Fit 40x40mm Plastic End Caps– These square plastic plugs insert firmly with reinforced ribs preventing loosening. Ideal for box section end caps on chairs, tables, shelves, beds, and worktops.
• Anti-Slip Floor Protection – The anti-slip plastic square tube plug creates stable grip on wood, tile, or carpet. Reduces noise and scratches when moving furniture. Works as sofa shelf chair stoppers to keep legs from sliding on smooth floors.
• Outdoor Indoor Durability – As box section end caps, they block moisture, dust, from entering metal tubes. Perfect for garden furniture, handrails, drying racks, and worktop end cap applications in kitchens or workshops.
• Tool-Free Installation Reuse – Push in by hand.These square plastic end caps fit steel, aluminium, and PVC tubes. Clean finish for any DIY or professional project.
• Multi-Scene Versatility – Use as plastic end caps for sofa legs, shelf supports, chair stoppers, table feet, and worktop tubing. Also protects guardrails, display stands, gym equipment, and balcony railings.

Square hollow tubes are everywhere—under your sofa, inside your shelving unit, on the legs of your dining table, and even holding up your garden furniture. But open tube ends bring problems: sharp edges that cut fingers or snag clothes, metal scraping across floorboards, and moisture creeping in to cause rust from the inside out. These Plastic End Caps solve all three issues in one simple, push-in solution. Each pack contains 8 black Square Plastic Plugs specifically sized for 40x40mm box section tubing. The outer dimension fits tubes with 40mm external width, while the internal ribs accommodate inner diameters of 37–38mm. A snug fit is essential—too loose and the cap falls out, too tight and it won’t seat properly. The anti-slip feature deserves special attention. When used as Sofa Shelf Chair Stoppers, the textured grip prevents furniture from migrating across smooth floors. Have you ever sat down on a sofa only to feel it slide backward? That happens because open tube ends have no friction. These caps add grip exactly where it’s needed. They also reduce the screeching noise of metal-on-tile when you rearrange a room. For shop displays or office partitions, this noise reduction is a significant quality-of-life improvement. Versatility extends to materials and applications. These caps work with steel, aluminium, iron, and thick-walled PVC square tubes. The black colour matches industrial, modern, and traditional furniture equally well. Use them as a Worktop End Cap for kitchen island tubing, or as protective feet for a workbench. They fit shelving uprights, bed frames, desk legs, bar stools, weight benches, treadmill stands, and even some children’s play equipment. One pack covers multiple projects around the home and workshop. Installation takes five seconds per cap. Clean the tube interior to remove metal shavings or debris. Align the cap squarely with the tube end. Push firmly until the cap sits flush or slightly recessed.