Designtnt - Concrete Textures Set 2
It’s a set of 13 high resolution concrete textures you can download and use in both printed and web designs. Each image is 6000 x 4000 px at 240 dpi large, you’ll be able to use them basically in any design. Want to create backgrounds, add texture to objects, make tileable patterns and brushes.
JPG | 6000x4000 px | 13 items | 200.16 Mb

Info:
http://www.designtnt.com/concrete-textures-set-2/