shaft length is 20 mm (4/ 5 inches), thread length is 11.7 mm (9/ 20 inches) High 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 mechanism 3 Hands: clock, , second hand, White color can stand out that you can the time Good DIY clock replacement: the high clock is applicable to -, three-dimensional embroidery, craft clock, frameless draw clock, etc. Simple and austere design: they can be compatible with beautiful and brilliant clock panel Replacement for the original clock You 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 handwork You can bore a hole on DIY wood plate which can be a clock panel and 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 design Suitable for repairing, replacing or making a clock Material: plastic and aluminum Power: 1.5V AA 1 x battery (not included) Dimensions: Case size: . 55 x 55 x 16 mm (2.2 x 2.2 x 0.65 inches) hour hand length: . 82 mm (3.2 inches) hand length: . 105 mm (4.1 inches) second hand length: . 136 mm (5.3 inches) Package included: 1 x Quartz clock movement 1 x Second hand 1 x hand 1 x nut 1 x Hour hand 1 x Plastic washer 1 x Brass washer 1 x Brass nut Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is +/- 1-3cm.