Definitely like these trays. Made by(for?) Lisle tools, they come in Red and green, for metric and standard, in 1/2, 3/8, and 1/4 sizes. About 25 sockets per tray give or take. I have 6 total. 1 each std and metric for 1/4, 3/8 and 1/2. Work great for mobility... Login to read more.