CR-MO alloy steel for long life. Designed to extend the life of fasteners. Features a radius corner design causing the socket to grab the sturdy wall, or flat, of the fastener instead of grabbing the corners. This results in less corner wear on the fastener. Heavy molded storage tray. Lifetime Warranty - full replacement. Sizes Include: 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" Sunex 3654 3/8" Drive 7-Pc 6-Pt Standard SAE Universal Swivel Impact Socket Set
From the Manufacturer
This Sunex 3/8 inch drive 7 piece SAE universal deep socket set includes the most common sizes used for automotive repair. It includes 7 SAE sockets. It is made of CR-MO alloy steel for long life. It is fully guaranteed and includes a heavy molded storage tray.