This product is made of high quality shine steel, with ABS or POM wheel, very smooth for pull drawer slideFeatures:1) blum type 2) Size: 250 - 600mm3) Color: white, brown, black4) Thickness: 0.8mm, 1.0mm, 1.2mm5) Wheel: ABS, POMOuter packing: 20 or 25sets/ctn