Brass Clock Winding Key - 5 Even Sizes

Brass Clock Winding Key

• For clocks with square winding shafts
• Made of brass
• Even Sizes:
• 2.75mm-7/64 inch (2), External Dimension is 6mm
• 3.25mm-1/8 inch (4), External Dimension is 6.3mm
• 3.75mm-0.14 inch (6), External Dimension is 7mm
• 4.25mm-11/64 inch (8), External Dimension is 8mm
• 4.75mm-3/16 inch (10), External Dimension is 9mm
• Measurements are approximate