This lot includes four quill stems with varying lengths and clamp diameters of 25.4mm and 26.0mm. The stems are made of steel and are compatible with both road and mountain bikes. The brand is unknown and the country/region of manufacture is also not specified. These stems have a quill stem type and a 1 inch steerer tube diameter. The stems are in new old stock condition. The color of the stems is black. This lot is perfect for those in need of replacement stems for their bikes.