Features: 1.Make it easy to remove almost all oil drain plugs from the engine, gear box and rear axle. 2.This set includes square and hexagonal shaped keys, suitable for a variety of vehicle applications. 3.Made of high?quality chrome vanadium steel, high?strength, corrosion?resistant and durable. 4.Comes with a storage box, which can keep all the tools organized and easy to transport. 5.Manufactured to meet standard specification, strictly follow factory quality control. Specification: Item Type: Oil Drain Sump Plug Key Socket Set Material: Chrome-Vanadium Steel Specification: 1 x T-bar with 3/8in Drive 1 x 3/8in Hex drain plug socket 1 x 8mm/0.31in Hex drain plug socket 1 x 9mm/0.35in Hex drain plug socket 1 x 10mm/0.39in Hex drain plug socket 1 x 12mm/0.47in Hex drain plug socket 1 x 14mm/0.55in Hex drain plug socket 1 x 17mm/0.67in Hex drain plug socket 1 x 8mm/0.31in drain plug socket 1 x 3/8in drain plug socket 1 x 11mm/0.43in drain plug socket 1 x 13mm/0.51in drain plug socket PackageList: 1 Set of Oil Drain Sump Plug Key Socket (12pcs) 1 x Tool Box Note: This is a professional car repair tool, it is recommended for professional use! Please pay attention to choosing the right size.