Description: clock insert features a colored , and black roman numerals for easy reading. Come with back cover and rubber gasket to securely hold the insert in place, which can avoid slight irregularity in the hole. Great for DIY crafts or replacing old clock faces, and cover reads the time easily. Suitable for all kinds of crystal, wood, ceramic, marble and other crafts table clock. Front diameter 80mm/3.15inch, mounting diameter 76mm, mounting depth: 18mm Specification: Battery: 1×1.5 V AA battery (not included) Package Includes: 1 Piece Clock Insert Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. clock insert features a colored , and black roman numerals for easy reading. Come with back cover and rubber gasket to securely hold the insert in place, which can avoid slight irregularity in the hole. Great for DIY crafts or replacing old clock faces, and cover reads the time easily. Suitable for all kinds of crystal, wood, ceramic, marble and other crafts table clock. Front diameter 80mm/3.15inch, mounting diameter 76mm, mounting depth: 18mm