Material: stainlesss steel. Features：High-quality stainlesss steel, convenient, durables and practical. Size: 5cm, 6cm, 8cm, 10cm, 12cm, 15cm, 20cm, 25cm, 30cm, 35cm. Note: The adjustable part is a black plastic base which can be rotated and the maximum adjustable height is 35cm.
eBay