This models is designed for use in any engine supporting PBR rendering, such as Unity, UnrealEngine, CryEngine and others.

Two-handed versions of these hammers are here - https://www.cgtrader.com/3d-model-collections/fantasy-great-hammers-collection
Technical Details:
-5 models
-Texture Size: 4096x4096
-Textures for Unity5
-Textures for UnrealEngine4
-Textures for CryEngine3
-Textures for PBR Metallic Roughness
-Polycount:
Hammer01: LOD0 - 3166tr., LOD1 - 1758tr.
Hammer02: LOD0 - 648tr., LOD1 - 416tr.
Hammer03: LOD0 - 1732tr., LOD1 - 852tr.
Hammer04: LOD0 - 680tr., LOD1 - 460tr.
Hammer05: LOD0 - 2300tr., LOD1 - 1448tr.

If you have any questions - write to me. Always happy to help.