{"product_id":"old-rusty-clock-key-size-number-4-or-3-25mm-kd1310","title":"Old Rusty Clock Key Size Number 4 or 3.25mm    (KD1310)","description":"\u003cfont rwr=\"1\" size=\"4\" style=\"font-family:Arial\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cfont style=\"\"\u003e\u003cp style=\"margin-bottom:0in; orphans:1;\"\u003e\u003cfont face=\"Arial\" size=\"5\"\u003eClock Key Size Number 4 or 3.25mm\u003c\/font\u003e\u003cfont size=\"5\" style=\"font-family:Arial; font-size:14pt;\"\u003e\u003cfont face=\"Arial, sans-serif\" style=\"\"\u003e\u003cfont face=\"Arial\" style=\"\"\u003e.\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, sans-serif; font-size:x-large; margin-bottom:0in; orphans:1;\"\u003e\u003cb\u003e\u003cu\u003eSelecting the right key size\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, sans-serif; font-size:x-large; margin-bottom:0in; orphans:1;\"\u003eThe number sizing systems were developed many years ago and the number on the key corresponds to a size on a particular chart. \u003ci\u003e\u003cb\u003e\u003cfont color=\"#00c3bb\"\u003eThis system becomes an issue when you find out there’s at least three different scales\/charts (American, Swiss, etc...) and all are slightly different, with measurements taken from different points on the arbor.\u003c\/font\u003e\u003c\/b\u003e\u003c\/i\u003e Which means that a No 6 key made by one manufacturer may not be the same as a No 6 by another. \u003cb\u003e\u003ci\u003e\u003cfont color=\"#00c3bb\"\u003eAn example of this is a Number 6 key using the American system is 3.6mm and using the Swiss system is 3.75mm.\u003c\/font\u003e\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, sans-serif; font-size:x-large; margin-bottom:0in; orphans:1;\"\u003e\u003cb\u003e\u003cu\u003eThe answer to this problem is to measure the arbor\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, sans-serif; font-size:x-large; margin-bottom:0in; orphans:1;\"\u003eThe best way is to measure the winding arbor (the steel shaft the key fits on to). If you have a set of vernier callipers get them on the end of the winding arbor and you will get an accurate reading in millimeters. Then its just a matter of selecting the correct key. \u003cfont color=\"#00c3bb\"\u003e\u003cb\u003e\u003ci\u003eThis is the best way to get a key that fits your clock.\u003c\/i\u003e\u003c\/b\u003e\u003c\/font\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial, sans-serif; font-size:x-large; margin-bottom:0in; orphans:1;\"\u003e\u003cb\u003e\u003ci\u003eNote: all of the clock keys that we list are measured using a clock key gauge that has been verified true.\u003c\/i\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:Arial; font-size:14pt; margin-bottom:0in; orphans:1;\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:\" times new roman font-size:medium\u003e\u003cfont face=\"Arial\" size=\"5\"\u003eWe have alot of clock related items so check out our other auctions too.\u003c\/font\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:\" times new roman font-size:medium\u003e\u003cfont face=\"Arial\" size=\"5\"\u003eWe do combine shipping and will always refund any excess shipping charges. Thanks for your interest and\/or business. Tim\u003c\/font\u003e\u003c\/p\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/font\u003e\u003ccenter style=\"font-family:Arial; font-size:14pt;\"\u003e\u003c\/center\u003e\u003cdiv\u003e\u003cspan style=\"white-space-collapse: preserve;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cspan style=\"white-space-collapse: preserve;\"\u003e#AntiqueClockParts #ClockParts #ClockRepair\u003c\/span\u003e","brand":"VintageClockParts.com","offers":[{"title":"Default Title","offer_id":42595066642491,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1914\/4507\/files\/12_8b646701-d602-4c01-bc4a-589af5d43cfe.jpg?v=1762289151","url":"https:\/\/vintageclockparts.com\/products\/old-rusty-clock-key-size-number-4-or-3-25mm-kd1310","provider":"VintageClockParts.com","version":"1.0","type":"link"}