Product Description 1. Application: The 27 Pcs 3/4-Inch Drive SAE and Metric Impact Socket Set Suitable for working on trailers, trucks, tractors, heavy equipment and large machinery, big service and repair jobs that need the 3/4″-inch Drive Socket Set. 2. Function: This Impact Socket Set with adapters and ratchet handle is perfect for removing and installing wheel lug nuts, particularly suitable for most trucks, RVs, and other heavy-duty vehicles. Precisely machined impact socket set provides extreme levels of torque changes. .