[TRIPLE MAGNETIC SECURITY SYSTEM]: Enhanced magnetic retention at the handle, extension rod, and ball head firmly holds bits during use. Eliminates drops and slippage when working overhead or in confined spaces. [40-IN-1 PROFESSIONAL KIT]: Includes 28 S2 alloy steel bits,9 -V sockets, ratchet wrench, ergonomic handle, extension rod, and case. Perfect for bicycles, appliances, cars, and DIY repairs - all essential screwdriver tools in one organized set. [ 180° RATCHET & 45-TOOTH MECHANISM]: magnetic screwdriver set features a universal ball head ratchet with 8° micro-rotation steps, accessing screws at any angle in tight spaces. The detachable extension rod reaches deep-hole fasteners in electronics, furniture, and automotive applications. [ S2 ALLOY & -V STEEL CONSTRUCTION]: Industrial-grade materials resist wear and bending. The comfort-grip handle reduces hand fatigue during extended use while enabling one-handed ratchet operation for efficient repairs. [COMPACT STORAGE CASE & IDEAL GIFT]: All tools nest securely in the portable case. A professional-grade screwdriver set designed for technicians, mechanics, and DIY enthusiasts seeking reliability., Weight: 1.67771781382 pounds, Manufacturer: Hipzeepo