Features: 1. 8 pieces socket convertor adaptor set 2.Manufactured from chrome-molybdenum steel with heat treated for extra strength and durability 3.Each socket has its size imprinted on the socket itself, making it easy to identify them after you've removed a handful from the case 4.Comes with a plastic case for easy storage and transportation, convenient to use 5.Hardened and tempered, professional tool for commercial or occasional use Specification: Features: 8 pieces socket convertor adaptor set. Manufactured from chrome-molybdenum steel with heat treated for extra strength and durability. Each socket has its size imprinted on the socket itself, making it easy to identify them after you've removed a handful from the case. Comes with a plastic case for easy storage and transportation, convenient to use. Hardened and tempered, professional tool for commercial or occasional use. Specifications: Material: Chrome-Molybdenum Steel Item Color: Black Plastic Case Color: Red Package Weight: approx.1652g Sizes: 1" to 3/4" 3/4" to 1/2" 1/2" to 3/8" 3/8" to 1/4" 1/4" to 3/8" 3/8" to 1/2" 1/2" to 3/4" 3/4" to 1" Package List: 8 x Socket Convertor 1 x Plastic Case PackageList: