Good clock replacement: good quartz movement will work well. Simple design, easy to use. Energy efficient. Accurate timing. Great for repairing, replacing or making a clock. Wide application: You are enable to use it to repair, replace or make a home clock; Applicable to cross-stitch, three-dimensional embroidery, craft home clock, frame-less draw clock, clockwork, etc. Perfect DIY clock kit, , and specially suitable for DIY quartz wall clock replacement movement parts, etc. Long spindle clock: good handwork DIY clock replacement movement parts with metal hook, which meet your installation needs Type:Long Shaft Clock Movements Size: Movement: 55 x 55 x 16mm Size:Total shaft length 31mm, Thread length 24mm, Jump second movement, suitable for 16 - 21 mm thickness clock panel Type: Increase torque by jumping seconds Rated voltage: 1.5V Use Battery: 1 x 1.5V AA Carbon battery (not included) Instruction: 1. Attach the clockwork to the product to be installed. 2, is installed in accordance with the standard 12 points,when you install it, please keep the hour hand and minute hand parallel 3. Pull out the positioning pin from behind the clockwork and insert the battery. (Do not insert the battery and then pull out the locking pin.) Colour:black Material:Plastic + Aluminum Package Contents: 4 * Quartz clock movements 8 * clock hands 4 set * Accessories