This is a unique wall clock made from recycled bicycle sprockets. This metal clock measures close to 5.5'' ( around 14cm) in diameter. Black clock hands make the clock look very eye catching. Runs on 1AA battery. Personalize your wall clock by adding a custom engraved message on a small metal plate. Whether it's a special date, a meaningful quote, or a personal message, our metal plates provide a unique touch to your clock that will make it truly one-of-a-kind. The clock will make a great gift for any bicycle lover or someone who already has everything. It also looks great & will make a great conversation starter in your home or work place. & of course, it tells time! :) See our other clocks: clocklight.etsy.com It is made from real, used bicycle parts & although thoroughly cleaned they might show some signs of previous life (like small nicks, scratches or corrosion spots). in my opinion this adds to the item's charm. Thank you for looking, & if you have additional questions don't hesitate to ask, I'm here to help. Unique Metal Wall Clock, Custom Engraved Gift, Bike Cyclist Boyfriend, Husband Or Dad Small Clock