Wide Range of Sizes: This set includes socket screwdriver bits in 8mm, 10mm, 12mm, and 14mm sizes. It covers a wide range of applications, offering versatility and practicality for different tasks. 1/2inch Square Drive: The shank of this wrench screwdriver is a 1/2inch hex shank, providing a secure and reliable connection. It is compatible with various wrenches and drills, making it versatile and convenient to use. Thin-walled Sleeve: This socket wrench screwdriver features a thin-walled design with a length of 128mm. Made of chrome- steel, it is and to wear, ensuring long-lasting performance. Lengthen and Deepen: With its lengthened and deepened design, this socket wrench screwdriver allows for easy access to tight and deep spaces. It provides enhanced flexibility and improved efficiency for your work. Professional and Reliable: Crafted with a combination of professional craftsmanship, this socket wrench screwdriver delivers fast, powerful, and precise performance. It is designed to handle tough jobs with ease while maintaining accuracy and durability., Weight: 1.57079361675 Pounds, Manufacturer: Hipzeepo