Artstation - Hard surface Alpha/Normal Maps Vol 1: 200 Sci-fi Maps

Info:
A collection of 190 Alpha maps for hard surface modelling and sculpting in Zbrush.

Ideal for the creation of:

Props
Weapons
Environments
Vehicles
Robotics/Mechs

Also included are 10 pre-designed normal maps for the quick application of additional surface detail when rendering to boost your designs and speed up your workflow.