This set contain iсons:

SVG separately, 
AI total fixed width curves (with atrboards, Adobe Illustrator CC5),
EPS separately,
PSD separately (100x100px, 300ppi),
PNG separately transparent background (64x64px, 128x128px, 256x256px, 512x512px).

If you need other file formats or file sizes, please contact me at nandiny.shahty@gmail.com. Let me know if you can’t find the right icon, so I will add it.