DIY Clock Repair Kit: These replacement parts are well suited for different styles of clock frame, good for repairing, replacing or making a clock by yourself Size: total length of the shaft is approx. 20 mm/ 0.8 inch and the thread length is approx. 13 mm/ 0.51 inch; The second jump movement is suitable for clock panel thickness of 9 to 13 mm/ 0.35 to 0.51 inch Precise timekeeping and quiet motor: Long shaft clock mechanism offers high precision and high reliability, equipped with sweeping movement, non-ticking and will provide you a quiet environment Wide application: these clock repair spare parts are suitable for cross stitch , three-dimensional embroidery, craft clock, frameless drawing clock and specially suitable to be applied as DIY quartz wall clock replacement movement parts Styles d Different hands: This set comes with pairs of clock hands in different styles and lengths for your options, ideal for creating and repairing clocks while providing a decorative effect