Thank you for viewing! 50 NUZAMAS black square plastic end caps! I took them out of the bag for the photos, so they are listed as nearly new. Widely used for chair legs, table legs, bar stools, etc., to protect floors and reduce noise. Smooth edges prevent scratches. Easy to install with a little force. Product Description This tube end plug is made of high-quality plastic material, is corrosion-resistant, and is durable for long-term use. Specifications Material: PE Color: Black Bottom Size: 40mm X 40mm Bottom Thickness: 4mm Total Height: 18mm Inner Height: 14mm #endcap