Feature 19pcs socket sets with different specifications, designed for impact wrenches. 2High torsion, 6point socket grip the flat side of the fastener, rather than the corner, preventing roundoff. 3Highquality iron structure, with corrosionresistant black phosphate coating, rugged and durable. 4Highcontrast permanent laseretched size markings are easy to read even in low light. 5Comes with a storage box, which can keep all the sockets organized and easy to transport.Item Type: Impact Socket SetMaterial: IronBox Size:Approx. 27 x 13 x 9 cm / 10.6 x 5.1 x 3.5 inHow to Use:1. Open the package and check if the product is in good condition.2. Choose the appropriate size to install. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 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