Steel SWG wire gauge.
1-36 SWG on one side and same measurements in MM on the other side.
Good solid hardened steel tool 90mm in diameter.
Also so comes with measurement sheet as seen in photo, converting the gauge number to millimeters and inches.
We sell a range of great value tools and parts for watch, clock and Jewellery craft. Please see in shop.
Please buy with confidence if you are not happy we offer a full 60 day refund for any reason, just return the item.