Features: Increase your efficiency with the 16PCS Magnetic Nut Driver Set, featurings long shank driver impact drills bit. Crafted from quality materials, these driver offer reliability and durability for long lasts use. Suitable for wide users, including DIY enthusiasts and professional who frequently need to install and remove nut. From various installation tasks like furniture assembly to electronic equipment maintenance, these driver is tool that can handle different projects. Experience the convenience of magnetic design and easy tackle nut installation and removal tasks with the 16PCS Nut Driver Set. Specifications: Material:S2 Steel Length:Approx.6inch/152.4cm 1Set includes:1/4", 5/16", 3/8", 7/16", 1/2", 9/16",7mm,8mm,9mm,10mm,11mm,12mm,13mm,14mm,PH1,; Hexadecimal Shank; Package Includes: 1set/16pcs Magnetic Nut Driver (with Bag) note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.