Features: 8pcs 1/2inch drive hex bit sockets, fit for 1/2inch drive ratchet / impact gun / breaker / power bar etc. Manufactured from chrome-molybdenum steel with phosphate finish for extra strength and durability. Each bit has its size imprinted on the bit 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: Blue Sizes: H5 / H6 / H8 / H10 / H12 / H14 / H17 / H19 Package Weight: approx.1300g Package List: 8 x Hex Bit Sockets 1 x Plastic Case Package List 18pcs 1/2inch drive hex bit sockets, fit for 1/2inch drive ratchet / impact gun / breaker / power bar etc 2Manufactured from chromemolybdenum steel with phosphate finish for extra strength and durability 3Each bit has its size imprinted on the bit itself, making it easy to identify them after you've removed a handful from the case 4Comes with a plastic case for easy storage and transportation, convenient to use 5Hardened and tempered, professional tool for commercial or occasional use