I have three headsets, 1/4. 3/8" and 1/2" washers. All three came with small trapezoidal trays that spilled easily. This large tray is made from solid aluminum and holds all three sets of sockets. It is durable and will not twist or bend in any direction. It definitely won't tip over. Best of all, after you've slipped the frames onto the studs, you can rotate the frames so all sizes are visible from the front. Good design!