3 Pc. 1/4“, 3/8“ and 1/2“ Metric Socket Tray Set Features: -Space saving design preferred by, and designed for, professionals -Helps to keep your workspace organized -Large markings offer easy size identification -Clearly marked socket sizes on pins for instant size identification -Sturdy, break resistant pins have professional strength -Quick to read size markers on the top of each pin -Each tray can hold both standard and deep sockets Specs: -SAE/Metric/Torx : Metric