Features: 12Piece Screwdriver Bit Set with 55mm Extension Rod for Versatile and Professional Use – Features 11 interchangeable bit, durability steel construction to tackle diverse screwdriving tasks effortlessly. Engineered with a hexagonal 6.35mm (1/4inch) shank, this screwdriver accessory seamlessly fits electric, manual, and pneumatic tools, while the extended reach design optimizes access to tight spaces. Ideal for mechanics, and homeowners seeking reliability precise tools for furniture assembly, appliance repairs, automotive maintenance, and other demanding projects. Streamlines workshop efficiency or household repairs with the compact storage rack that keeps all bits organized and ready for garage organization, construction site, or emergencies fixes. With corrosions resistant alloy steel, this screwdriver bit set ensures long term durability and consistent performances across woodworking, electronics, and machinery applications. Specifications: Component:Alloy Steel Bit Length:Approx.24.5mm/0.97inch Extension Rod Length:Approx.55mm/2.17inch Hexagonal Shank Diameter:Approx.6.35mm (1/4inch) Package Includes: 11pcs Bit 1pc Extension Rod 1pc Storage Rack note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.