The Vevor 3/4" drive impact socket set is a 21-piece SAE set built for auto repair and heavy-duty service work. It features 6-point Cr-V alloy steel sockets designed to grip the flat sides of fasteners for secure, high-torque performance. The set includes 16 socket sizes from 3/4" to 2", along with a ratchet handle, extension bars, and a storage case. Easy-to-read size markings help speed up identification on the job. It is well suited for trucks, RVs, and other heavy-duty vehicles.