This is a clock mechanism cover made from plastic materials, durable, can be used for long time. Good texture and durability, will not easy to deform or break. Classic color, simple structure, light weight, easy to install, save your time and efforts, good for mechanism of most wall clock, mute clock, frameless clock, and so on. Features -Color:Black -Material:Plastic -Size:25.00X25.00X3.50cm/9.82X9.82X1.38in -The clock movement cover is made from plastic material with good texture, can be used for long time. -Simple style clock movement cover can match with various colors, patterns, shape clock mechanism. -Good workmanship and sturdy structure let this clock mechanism cover have practicality and durability, you can use with peace of mind. -Light weight, this clock mechanism cover is easy to install, suitable for clock movement replacement work, bring you convenience. -You your own clock, and enjoy DIY fun, also good for clock repair shop to use. Package list: 1 x clock back cover