PATIKIL 2 Pcs Wrench Clock Key for Winding, 4.4mm Hole Dia. 52mm Long Steel Clock Keys for Mechanical Alarm Wind Chain Repair Replacement, Silver Tone

About this item

• Specification: Color: Silver Tone; Material: Steel; Overall Size: 52 x 52mm / 2.05 x 2.05 inch(L*W); Shaft Diameter: 8mm / 0.31 inch; Square Hole Diameter: 4.4mm / 0.17 inch; Packing List: 2 x Clock Key
• Advantage: Crafted from quality steel with a compact structure, this durable clock key withstands long-term use without bending or breaking. Its two-hole handle design generates greater twisting force while providing a comfortable grip. The exquisite workmanship ensures stability and high hardness for both personal and professional use. Lightweight and portable, it combines practicality with timeless style, ensuring reliable performance for restoring retro clocks to their original charm.
• Application: This clock winding key is designed for winding main springs in most vintage mechanical desk clocks, wooden clocks, wall clocks, alarm clocks, and grandfather clocks. It serves as an essential repair tool accessory for chain wind mechanisms and directly replaces lost or broken keys.
• Instruction: Simply insert the winding key into your clock's winding. Hold the wrench-style handle firmly, passing fingers through the holes for optimal torque. Turn the mechanism clockwise to wind it smoothly until the proper tension is achieved.
• Note: Verify your clock requires which size of hole diameter key before purchase. Avoid over-tightening to prevent internal mechanism damage. Store in a dry place to prevent rust.