shinfly 40x30 mm Rectangular Tube Inserts, Black Plastic End Caps, 12 Pack

• ✔ Fits 40x30 mm Rectangular Tubes – Designed for rectangular tubing with 40x30 mm outside dimensions and a 1.2–2.0 mm wall thickness. Please measure the outside dimensions of your tube before purchasing to ensure the correct fit. If you are unsure how to measure or which size to choose, please refer to the detailed dimensions and measuring guide shown in Images 2 and 3.
• ✔ Reliable Protection – These rectangular tube end caps help prevent rainwater, dust and dirt from entering the tube when used outdoors, reducing the risk of internal corrosion. Indoors, they help protect floors such as hardwood, tiles and carpets from scratches caused by exposed tube ends.
• ✔ Suitable for a Wide Range of Applications – Made from durable black PE plastic, these tube inserts are weather-resistant and suitable for both indoor and outdoor use. Ideal for aluminium, steel and metal tubes and frames, including garden furniture, railings, fence posts, shelving units, tables and chairs.
• ✔ Secure Grip with Flexible Ribs – Each rectangular tube insert features at least three flexible ribs that firmly grip the inside of the tube, ensuring a tight, secure and long-lasting fit.
• ✔ Easy Installation – First position the tube insert at the end of the tube.For tubes with a wall thickness of 1.2–1.5 mm, simply press the tube insert in by hand. For tubes with a wall thickness of 1.6–2.0 mm, gently tap the tube insert in using a rubber mallet. For the best fit, please check the tube dimensions and wall thickness before installation. Note: If the external dimensions of the tube exactly match the size of the ribbed tube insert and the insert cannot be fitted even with gentle tapping using a rubber mallet, the ribs on all four sides can be carefully trimmed with a utility knife or sharp knife until the insert fits securely into the tube.

Rectangular Tubes Designed for rectangular tubes and a wall thickness of 1.2–2.0 mm. Please measure the outside dimensions of your tube before purchasing to ensure the correct fit. If you are unsure how to measure or which size to choose, please refer to the detailed dimensions and measuring guide shown in Images 2 and 3. Reliable Protection for Tube Ends and Floors These rectangular tube end caps help prevent rainwater, dust and dirt from entering the tube when used outdoors, reducing the risk of internal corrosion. Indoors, they help protect floors such as hardwood, tiles and carpets from scratches and damage caused by exposed tube ends. Durable PE Plastic for Indoor and Outdoor Use Made from robust black PE plastic, these rectangular tube inserts are weather-resistant and suitable for long-term use both indoors and outdoors. They are ideal for aluminium, steel and metal tubes and provide a durable solution for a wide range of applications. Suitable for Many Applications Ideal for aluminium, steel and metal tubes and frames, these tube plugs are suitable for use with garden furniture, railings, fence posts, shelving units, tables, chairs and many other metal constructions. Their discreet black finish blends well with a wide variety of environments. Easy Installation Without Glue or Screws Simply insert the tube plug into the end of the tube by hand. If necessary, gently tap it into place using a rubber mallet. For the best fit and secure installation, please check the tube dimensions and wall thickness before fitting. Secure Hold with Flexible Ribs Each rectangular tube insert features at least three flexible ribs that grip firmly against the inside wall of the tube, providing a tight, secure and long-lasting fit without the need for glue, drilling or screws.