• Sheet plugs designed for tubes with dimensions of 40 x 40 mm. • Compatible with tube wall thicknesses from 1 mm to 2.5 mm. • Made of impact-resistant plastic for greater durability. • Easy to install: simply push the cap into the tube and lightly tap with a hammer if necessary. • Ideal for protecting the ends of chair, table, bed, and garden furniture legs. • Black color, for an aesthetic and discreet finish. • Each package contains 16 units.