COMPLETE SET – All-in-one magnetic impact nut driver set includes 41 pieces: Metric & SAE long and standard nut drivers, socket adapters, universal socket, quick-change bit holder, ratchet wrench and wing nut driver for tackling any task with ease. DURABLE STRENGTH – Built to last with Cr-V for maximum shock resistance and hardness, this set features deep nut drivers, reinforced wall thickness, and manganese phosphate coating for superior durability. DUAL-DRIVE RATCHET EFFICIENCY – Combines socket and bit driver heads with a precision ratchet mechanism, enabling seamless switching for nuts, bolts, and screws while boosting work efficiency by 50% in auto repair, home installation, and machinery maintenance. POWERFUL MAGNETISM – Industrial-grade magnetic impact nut drivers with embedded magnets ensure a secure grip on screws and bolts, providing reliable retention and reducing the risk of losing hardware during use. VERSATILE PERFORMANCE – Effortlessly handle multiple projects with this set, from home DIY repairs to professional mechanics, perfect for garages, workshops, and construction work, ensuring exceptional performance in every job.