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Swiss Single End Steel Key
Choose from 17 sizes! Swiss sizes only. Please measure the winding post in your clock, in millimeters, to insure you order the correct size.
**QUANTITY DISCOUNTS ARE AVAILABLE FOR THIS ITEM. PLEASE SEE THE TABLE BELOW.**
$2.45
For winding many types of mechanical clock movements. Choose from 17 sizes! Swiss sizes only. Please measure the width of your winding post in millimeters to insure you get the right fit.
Key Sizing Chart
| Key No. | American Sizes | Swiss Sizes | Watch Sizes |
|---|---|---|---|
| #00000 | 1.6mm | 1.25mm | |
| #0000 | 1.8mm | 1.50mm | |
| #000 | 2.0mm | 1.75mm | |
| #00 | 2.2mm | 2.00mm | 2.00mm |
| #0 | 2.4mm | 2.25mm | 1.90mm |
| #1 | 2.6mm | 2.50mm | 1.80mm |
| #2 | 2.8mm | 2.75mm | 1.75mm |
| #3 | 3.0mm | 3.00mm | 1.65mm |
| #4 | 3.2mm | 3.25mm | 1.60mm |
| #5 | 3.4mm | 3.50mm | 1.50mm |
| #6 | 3.6mm | 3.75mm | 1.40mm |
| #7 | 3.8mm | 4.00mm | 1.30mm |
| #8 | 4.0mm | 4.25mm | 1.20mm |
| #9 | 4.2mm | 4.50mm | 1.15mm |
| #10 | 4.4mm | 4.75mm | 1.05mm |
| #11 | 4.6mm | 5.00mm | 1.00mm |
| #12 | 4.8mm | 5.25mm | .95mm |
| #13 | 5.0mm | 5.50mm | |
| #14 | 5.2mm | 5.75mm | |
| #15 | 5.4mm | 6.00mm | |
| #16 | 5.6mm | 6.25mm | |
| #17 | 5.8mm | 6.50mm | |
| #18 | 6.0mm | 6.75mm | |
| #19 | 6.2mm | 7.00mm | |
| #20 | 6.4mm | 7.25mm | |
| #21 | 6.6mm | 7.50mm | |
| #22 | 6.8mm | 7.75mm | |
| #23 | 7.0mm | 8.00mm |
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