Features: Engineered for precisions, this 7 piece extended length socket screwdriver set offer versatile metric and imperials sizes, ideal for tackling hard to reach fasteners in tight spaces with its alloy steel construction. Crafted from high strength alloy steel with corrosions resistant treatments, each bit undergoes precisions machining to ensures perfect screw engagement, minimizing slippage and wear during demanding applications. Designed for professional mechanics, DIYer enthusiasts, and technicians requiring torques tool for automotive repairs, electronics assembly, or household maintenance projects. Effortlessly access recessed screws in engine compartments, furniture joints, or confined workshop areas using the extended shaft design paired with quick to change functionality for seamless bit swapping. Organized in a portable case with labeled compartments, this comprehensive toolkit maintains workplace efficiency while protecting bits from damage during transport or job switching. Specifications: Component: Metal Metric dimensions: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm Imperials dimensions:1/8 9/32 3/16 7/32 1/4 5/16 3/8 Package Includes: 7Pcs Bit Extension note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.