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. 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. 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. 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