Check the listing for details. 2 Set Clock Mechanism Replacement, Quartz Clock Mechanism Shaft 0.91in with Hook. Condition: New. Listed at 17.86 USD. The diy clock mechanism replacement Kit is a good replacement. suitable for cross-stitch, three-dimensional embroidery, craft clock, frameless draw clock,12888, etc. Suitable for repairing, replacing, and also suitable for diy various styles of the clock frame.SpecificationMaterial: Plastic, Quartz, MetalBattery Type: AA Battery (Not included)Mechanism Shaft Length: 23 mm / 0.91 inchMechanism Box Size: 56 x 56 x 16 mm/ 2.2 x 2.2 x 0.63 inch (L*W*T)Advantage1.Mute clock mechanism: The clock movement adopts a super silent scanning design, and the scanning clock movement has no noise, providing a quiet environment for your sleep.2.Time accuracy: The error in a day is within 1 second. This clock mechanism battery operated is low power consumption, only 1 AA battery is required (not included).Instruction1.