This is a spare link I received as a gift. It's made of stainless steel (silver color, hairline finish + partially polished). It has a 5-link style design with a polished center and a satin finish on the sides. It's a pin-type link, and there's an arrow engraved on it, so it's the type that's adjusted with a pin remover. Watch stainless steel band spare link 20mm 5-link bracelet pin type adjustment