2 Pack Clock Winding Key #9 4.5mm, Antique Clock Winding Key Set for Wall Clocks, Alarm Clocks and Wind Chain Repair (4.5mm & 0.177 Inch Hole)

[PACKAGE CONTAINS] - You'll receive 2 packs of high-quality keys, each featuring a 4.5mm or 0.177 inch square hole, perfect for winding most antique wall clocks, desk clocks, alarm clocks, and more. [TOUGH AND DURABLE] - Crafted from durable steel, our clock winding keys are built to last and withstand the test of time. [VERSATILE COMPATIBILITY] - Our clock winding key is designed to fit most antique mechanical desk clocks, wooden clocks, wall clocks, and alarm clocks, making it an incredibly versatile tool for clock repair. [CLOCK KEY SIZE] – Overall Length 2Inch or 50mm, Shaft Length 0.7Inch or 18mm. Shaft Diameter 0.31Inch or 8mm. Square hole size 4.5 mm or 0.177 Inch. Please check your clock key size by gauging the square shaft on the winding arbor at the back of your clock, measuring from flat side to flat side. [ESSENTIAL CLOCK KEY] - As a professional clock repairer or clock enthusiast, you know how important it is to have the right tools on hand. Our clock winding key set is a must-have for restoring and maintaining antique clocks, and is a convenient solution for lost or broken keys. Upgrade your clock repair kit today with our high-quality set, and ensure your antique clocks keep ticking for years to come.