Total shaft length is 20 mm (4/ 5 inches), thread length is 11.7 mm (9/ 20 inches)High torque clock mechanism: suitable for 4 - 8 mm (4/ 25 - 3/ 10 inches) thickness clock panel; You can drill a hole on other clock panel to DIY your personal style clock mechanism3 Hands: clock, minute, second hand, White color can stand out that you can get the time easilyGood DIY clock replacement: the high torque clock is applicable to cross-, three-dimensional embroidery, craft clock, frameless draw clock, etc.Simple and austere design: they can be compatible with beautiful and brilliant clock panelReplacement for the old clockYou can use this to some clocks that stop working, or to replace some clock hand which had fell apart. Save your broken clock from trash bin.DIY material for handworkYou can bore a hole on DIY wood plate which can be a clock panel and assemble the pieces. Make a clock out of your child's artwork and giving as a gift for Mother's or Father's Day.Easy and simple designSuitable for repairing, replacing or making a clockMaterial: plastic and aluminumPower: 1.5V AA 1 x battery (not included)Dimensions:Case size: approx. 55 x 55 x 16 mm (2.2 x 2.2 x 0.65 inches)Total hour hand length: approx. 82 mm (3.2 inches)Total minute hand length: approx. 105 mm (4.1 inches)Total second hand length: approx. 136 mm (5.3 inches)Package included:3 x Quartz clock movement3 x Second hand3 x Minute hand3 x Minute nut3 x Hour hand3 x Plastic washer3 x Brass washer3 x Brass nutOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.