Vintage Singer 27, 28, 127 & 128 sewing machine shuttle, Simanco part #8301 (can also replace the #54504). Compatible with the older style shuttle carrier found on the model 27 / 28, but can also be used with the later 127 / 128 carrier with the ejector button. Good vintage condition with typical signs of age, may have some minor darkening due to age similar to the example shown, rust free.