It is a logo of a dumbbell. It has one bar with four weights. Two weights on each side. The two inner weights are the largest and the outer weights are slightly smaller. The bar and weights have square corners.
This Dumbbell icon has Android KitKat style
. If you use the icons for Android apps, we recommend using our latest Material Icons icon pack (please check our sidebar on the right). Otherwise, it's a solid icon pack that looks good in small resolutions, either on the web or in print. It's characterized by thick lines, smooth corners, and is optimized for 24x24 pixels.