Free Icons: 8 Rocket Theme Web Icons

This Web-centric set by RocketTheme is free for use with personal and commercial projects with attribution and released under the Creative Commons 3.0 license. These highly-detailed icons come in 6 standard sizes, each hand-edited to ensure the utmost quality for each size. Each icon comes in 16x16, 32x32, 48x48, 64x64, 128x128, and 256x256 pixels in transparent PNG format.