Note: To determine the correct size, you need to measure the outer dimensions of the leg. Product InformationThese insert caps are very suitable as leg caps for tables, chairs or for other types of furniture.These insert caps are made of extra strong Polyethylene. PE is very wear-resistant for optimal lifespan, recyclable and therefore very sustainable. Polyethylene is the most environmentally friendly material.Size Chart Rectangular Insert Cap Outer Dimensions (mm) Inner Dimensions Long Side (mm) Inner Dimensions Short Side (mm) 20×10 16,5 – 18,4 6,5 – 8,8 20×15 15,5 – 18,9 10,7 – 13,9 25×10 17,5 – 23,5 6,4 – 8,7 25×12 19 – 23,5 6 – 10,5 25×15 19,6 – 23,9 10,4 – 14,3 25×20 20,5 – 24 15,6 – 19,1 30×10 25,6 – 28,1 6,2 – 8,8 30×15 25,6 – 28,1 10,5 – 13 30×20 25 – 28,5 14,9 – 18,5 30×25 24,5 – 28,5 19,6 – 23,1 35×20 28,5 – 33,5 13,5 – 18,5 35×25 29,5 – 33,7 20 – 24,3 40×20 35,1 – 38,2 14,8 – 17,9 Material: PE (Polyethylene)Color: black