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 mechanism 3 Hands: clock, minute, second hand, Good DIY clock replacement: the high torque 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; Suitable for repairing, replacing or making a clock 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. color:Black DIY material for handwork You 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 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) Total hour hand length: . 82 mm (3.2 inches) Total minute hand length: . 105 mm (4.1 inches) Total second hand length: . 136 mm (5.3 inches) Package Contents: 1 x Quartz clock movement 1 x Second hand 1 x Minute hand 1 x Minute nut 1 x Hour hand 1 x Plastic washer 1 x Brass washer 1 x Brass nut Only 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.