Feature: 1. 9pcs socket sets with different specifications, designed for impact wrenches. 2. High torsion, 6‑point socket grip the flat side of the fastener, rather than the corner, preventing round‑off. 3. High‑quality iron structure, with corrosion‑resistant black phosphate coating, rugged and durable. 4. High‑contrast permanent laser‑etched size markings are easy to read even in low light. 5. Comes with a storage box, which can keep all the sockets organized and easy to transport. Specification: Item Type: Impact Socket Set Material: IronBox Size:Approx. 27 x 13 x 9 cm / 10.6 x 5.1 x 3.5 in How to Use: 1. Open the package and check if the product is in good condition. 2. Choose the appropriate size to install.. Package List: 1 x 1in Socket1 x 1-1/8in Socket1 x 1-1/4in Socket1 x 1-3/8in Socket1 x 1-1/2in Socket1 x 1-3/4in Socket1 x 1-5/8in Socket1 x 1-7/8in Socket1 x 2in Socket1 x Storage Box