Five-size U-type screwdriver set with U4, U5, U6, U7, U8 to cover a range of fastening needs at an affordable price. Key benefits - Comprehensive sizing: Includes five U-type screwdrivers (U4, U5, U6, U7, U8) for versatile applications and a value price. - High durability: Tensioner bit made of S2 alloy steel for excellent hardness, wear resistance, and long service life. - Quick and versatile connection: Hexagonal (hex) shank crafted from S2 alloy steel allows fast and secure attachment with a wide range of tools and machines. - Secure handling: Magnetic tips on the U-type screwdrivers hold screws firmly, reducing slipping for precise and efficient work. Specifications and compatibility - Material: S2 alloy steel for tensioner bits and hex shank - Size options: U4, U5, U6, U7, U8 - Type: U-type screwdriver with magnetic tips - Features: Hex shank for compatibility with various drills and screwdrivers Use scenarios - Electronics assembly and repair: Small fasteners in tight spaces where precision is essential. - Furniture and cabinet installation: Various fastener sizes accommodated by the five U-type options. - Appliance and automotive interior work: Efficiently handle fasteners in confined areas with secure magnetic tips. Performance notes - The S2 alloy steel construction provides high hardness and durability to withstand regular use. - Magnetic tips improve screw retention during installation and removal, enhancing accuracy and speed. - The hex shank design enables quick changes and broad compatibility with compatible tools.