Practical combinationThis set includes 14 inner plum sockets, different sizes to meet various needs of vehicle maintenance, machinery, etc. HIGH QUALITYMade with Cr-V, electroplated and heat treated to ensure long-term durability and stability Compatibility and ApplicationAvailable in 3 sizes 1/4", 3/8", 1/2" Generally suitable for ratchet wrenches. Ideal for all tightening and loosening tasks during maintenance and repair for trade or home use Orderly StorageProvide a plastic box (13 x 12 x 5.5cm), each star-shaped plum blossom slot can be placed in the box in an orderly manner, not easy to lose Scope of SupplyThis set includes: 1/4" - E4, E5, E6, E7, E8; 3/8" - E10, E11, E12, E14, E16; 1/2" - E18, E20, E22, E24; 1 plastic box