Check the listing for details. Clock Mechanism Replacement, Quartz Clock Mechanism DIY Wall Clock, 20029, Black. Color: Multicoloured, Condition: New. Listed at 10.94 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, Aluminum , MetalBattery Type: AA Carbon Battery (Not included)Thread Length: 11 mm / 0.43 inchMechanism Shaft Length: 18 mm / 0.7 inchMechanism Box Size: 56x 56 x 16 mm/ 2.2x 2.2 x 0.63 inch (L*W*T)Suitable for Clock Face Thickness: 7-8 mm / 0.28-0.32 inchLength from hole to needle tip:Hour hand-Minute hand-Second hand:50mm / 1.97";70mm / 2.76";72mm / 2.83"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.