General description The 100 x 100mm Plastic Square Tube Inserts End Caps are designed to provide a durable and protective solution for various applications. Made from premium heavy-duty PE material, these square plastic plugs are strong, weather-resistant, and ideal for use on table legs, chair legs, fence posts, and more. Each pack includes 4 pieces, ensuring you have enough to meet your needs. Technical specifications Material: Heavy-duty PE Dimensions: 100mm x 100mm Compatible with square steel tubes with inside hole diameters (ID) from 3.53" to 3.67" (3 1/2" to 3 11/16") Wall thickness: .158" to .240" (4-9 gauge) Usage The plastic end caps serve multiple purposes: Protective cover for table legs and chair legs Reduces scratches and noise on floors Suitable for fence poles and fitness equipment ends Provides decorative and protective benefits for square steel pipes Other information