Old Rusty Wrench 3D Model, modelled in Blender 2.78.
I have tried to model it with all details. It is low poly model, PBR and Texture painting has been used to texture all the models in file. For PBR, PBR Materials Addon has been used. Link to download PBR Materials Addon :
http://3dwolf.weebly.com/materials.html
Other formats (FBX, 3Ds and OBJ) have been exported from Blender 2.78 and in case of any problem, please let me know. The problem will be solved within 24 hours.