Blemish Pro
http://www.thepixellab.net/blemish-pro

Blemish Pro is a new motion design product to dial in the realism of your renders. It’s a pack of 100 professionally designed grunge maps that you can use in your roughness channel that will immediately give your object scratches, smudges, fingerprints, grime and incredible realism. They are all extremely detailed and are 8k resolution so you can zoom way in and still have beautiful results.

Blemish-Pro.part1.rar – 3.0 GB
Blemish-Pro.part2.rar – 2.6 GB