DIY clock repair kit: these spare parts are well suited for various styles of clock frames, good for repairing, replacing, or making a clock yourself. Size: the total shaft length is approx. 20 mm/0.8 inches and the thread length is approx. 13 mm/0.51 inches; The jump second movement is suitable for clock panel thickness of 9-13 mm/0.35-0.51 inches. Accurate timekeeping and silent motor: the long shaft clock mechanism provides high accuracy and reliability, equipped with sweeping movement, no ticking and gives you a quiet environment. Wide application: these clock repair parts are suitable for cross-stitch, three-dimensional embroidery, craft clock, frameless drawing clock and especially suitable for use as DIY quartz wall clock replacement movement parts. Various hands: this set comes with pairs of clock hands in different styles and lengths for your options, ideal for clock making and repair while providing a decorative effect.