Feature:1. The fully equipped classification includes not only shallow holes, but also ratchets, sliding Tbars and extension rods to make the ball roll and start working quickly and efficiently.2. The precision machined heattreated chrome vanadium steel has excellent durability and strength in every impact motion.3. Each shallow socket is treated with a special black oxide coating, which can maximize the service life, prolong wear life and corrosion resistance.4. Standard SAE socket set includes: 3 or 4in, 7 or 8in, 15 or 16in, 1in, 11 or 16in, 11 or 8in, 13 or 16in, 11 or 4in, 15 or 16in, 13 or 8in, 17 or 16in, 11 or 2in, 15 or 8in, 13 or 4in, 17 or 8in, 2in.5. Blowmoulded hard plastic storage cases are provided with convenient handles for easy travel, carrying and organization.Specification:Item Type: Socket SetMaterial: SteelHow to Use: 1. Open the package and check if the product is in good condition.2. It can be used after matching the appropriate size..Package List:1 x 3 or 4in Sleeve1 x 7 or 8in Sleeve1 x 15 or 16in Sleeve1 x 1in Sleeve1 x 1-1 or 16in Sleeve1 x 1-1 or 8in Sleeve1 x 1-3 or 16in Sleeve1 x 1-1 or 4in Sleeve1 x 1-5 or 16in Sleeve1 x 1-3 or 8in Sleeve1 x 1-7 or 16in Sleeve1 x 1-1 or 2in Sleeve1 x 1-5 or 8in Seeve1 x 1-3 or 4in Sleeve1 x 1-7 or 8in Socket1 x 2in Sleeve1 x Short Rod1 x Long Rod1 x Ratchet1 x Slide Bar1 x Plastic Box