2pc Brass Clock Winding Key Set - 10 Sizes

2pc Brass Clock Winding Key set

• 2 piece set
• For clocks with square winding shafts
• Made of brass
• Odd sizes:
• 3mm-1/8 inch (3), External Dimension is 6mm
• 3.5mm-9/64 inch (5), External Dimension is 6.4mm
• 4mm-5/32 inch (7), External Dimension is 7mm
• 4.5mm-0.174 inch (9), External Dimension is 8mm
• 5mm-13/64 (11), External Dimension is 9mm
• 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