Two Pack Antique Clock Winding Key Kit For Wall Clocks And Alarm Clocks Includes 4.5 mm And 0.177 Inch Square Hole Keys Durable Steel Repair Tools For Wind Chains And Quick Fix

Two-Pack Clock Winding Keys for Antique Clocks (4.5mm)
✔️ 2-pack steel winding keys, 4.5 mm square hole, 50 mm long

These clock winding keys are handy repair tools sized for antique clocks. Each key fits most wall, desk, and alarm clocks with a 4.5 mm square winding arbor and is ideal for reviving winding chains and keeping time accurate.

✅ Overall length 2 inch (50 mm); shaft length 0.7 inch (18 mm)
✅ Square hole size 4.5 mm (0.177 in) for No. 9 key
✅ Shaft diameter 0.31 inch (8 mm); durable steel construction
✅ Includes 2 keys; fits most antique mechanical clocks and alarm clocks

💡 What is a clock winding key used for in antique mechanical clocks and how does it help maintenance? To keep power steady and timekeeping on track, use a properly sized key that fits the winding arbor. - clock winding key compatibility and sizing - helps maintain accurate timekeeping in antique clocks - 4.5 mm square hole matches common No. 9 arbors - durable steel construction for long life