Winding Clock Key - Brass 1.75mm - 6.75mm

Brass Winding Clock Key
 Sizes from 1.75mm - 6.75mm (No.000 - No.18)
Antique style key with Square Hole
To establish which size of key your clock requires you will need to measure the width of the square winding pinion and purchase a key that is just a little larger. It should be a tight fit to avoid both slipping and wear while winding.