Features: Engineered with premium alloy steel, this magnetic impacts screwdriver bit set offer 10x high shock resistance than standard bit, ensuring durability for heavy duty tasks. Featuring a 62HRC hardened surfaces and magnetic tip design, it maintains precise grip on screws while resisting wear during repetitive drilling/driving operations. Ideal for enthusiasts, professional technicians, and mechanics requiring reliability tools for automotive repairs or equipment maintenance. Tackle workshop projects, furniture assembly, or emergencies fixes effortlessly across PH0 PH3 screw heads with three optimized lengths (65/100/150mm). Organized in PVC sleeves with metal hook storage, this compact set ensures quick access and secure carrying for job sites or home toolboxes. Specifications: Component:alloy steel Hardness:62HRC Option Length:Approx.65mm/2.56in, 100mm/3.94in,150mm/5.91inch 65mm: PH0/PH1/PH2/PH2/PH3 100mm: PH0/PH1/PH2/PH2/PH3 150mm: PH0/PH1/PH2/PH2/PH3 Use scenario: Home repair,Professional repair, Outdoor tools; Package Includes: 1set/7pcs Screwdriver Bit note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.