Long spindle quartz clock replacement movement parts with metal hook,Good for repairing, replacing or making a clock.Parameter: "I" Shaft,drive long clock hands (10 mm to 450 mm); Total shaft length is 18 mm (45/64 inch), thread length is 5 mm (13/64 inch),suitable for 1-3 mm ( 3/64 - 7/64 inch ) thickness clock panel.DIY clock supplies: the complete clock movement kit is suitable for repairing or making a clock, serving as good replacements for large and thick clock frames.Package contents: 1 clock movement with 1 hook,2 Hour hands,2 Minute hands and some mounting hardware, coming with specially designed box and instructions.Warm notice: when you install them, please keep the hour hand and minute hand parallel; And please do not use too much pressure to avoid bending them. Product Description Installation Steps 1.Place metal hook over shaft. 2.Place plastic washer over shaft. 3.Insert shaft through clock face. 4.Place dial plate brass washer over shaft. 5.Attach dail fixing brass hex nut. 6.Gently press hour hand onto shaft at 12:00 postion. 7.Place minute hand over shaft at 12:00 postion. 8.Gently screw minute nut in place. How to get the right replacement A- Thread length: 5 mm (13/64 inch) B- Total shaft length is 18 mm (45/64 inch) Measure the thread shaft of your old clock mechanism, if the length is shorter or equal to 5 mm, then this clock movement mechanism is suitable for your clock. We have 4 different shaft length movements If you want to replace your old movement, carefully measure the movement shaft length. If you still can't confirm which one is right for you.Please refer to our picture,take a photo of shaft part and hands size,We will help you confirm. "I" Shaft Clock Movement Please compare the hole of your own hands to shape of this clock mechanism thread. This movement is "I" Shaft With Rounded Rectangle shape . Total shaft length 18 mm (45/64 inch) 18.5 mm (23/32 inch) 23 mm (29/32 inch) 28 mm (1-3/32 inch) Thread length 5 mm (13/64 inch) 8 mm (5/16 inch) 12 mm (15/32 inch) 15.4 mm (39/64 inch) Suitable for suitable for 1-3 mm ( 3/64 - 7/64 inch ) thickness clock panel suitable for 2 - 6 mm (5/64 - 15/64 inch) thickness clock panel. suitable for 4 - 8 mm (4/ 25 - 3/10 inch) thickness clock panel. suitable for 9 - 13 mm ( 23/64 - 33/64 inch) thickness clock panel. Total shaft length 8.8MM 13.5mm (17/32 inch) 16mm (41/64 inch) 19mm (3/4 inch) 23mm (29/32 inch) Thread length No Thread 5.5mm (7/32 inch) 8mm (5/16 inch) 11mm (7/16 inch) 15mm (19/32 inch) Suitable for suitable for 1-2 mm ( 3/32 - 5/64 inch ) thickness clock panel suitable for 1-3 mm ( 3/64 - 7/64 inch ) thickness clock panel suitable for 2-6 mm ( 5/64 - 15/64 inch ) thickness clock panel suitable for 4-8 mm ( 5/32 - 5/16 inch ) thickness clock panel suitable for 9-13 mm ( 23/64 - 1/2 inch ) thickness clock panel