Metal end pin for all curtain rods with 20 mm diameter Easy to install: easy to attach the end knob to the end of the rod by hand, installation without drilling, screwing or gluing, no residue removal Multiple combination options: end button for attaching to all 20 mm diameter curtain rods from the Chicago series (sold separately) Robust material: sturdy metal end button, high-quality workmanship and elegant design Box contents: 2 x Gardinia cylinder end buttons for curtain rods, Chicago series, metal, matt black, 20 mm diameter