Great for DIY clock projects, wall clocks, desk clocks, or crystal clocks. 𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧: Two setup options. You can insert the clock into a 63mm cut-out with the included rubber gasket to hold it securely, or simply hang it on a hook using the small hole on the back.