·All-in-One Versatile Kit Includes 55 pieces: 17pcs magnetic shallow nut drivers (metric: 5–13mm, SAE: 7/32"–1/2"), 14pcs deep nut drivers (metric: 6–17mm, SAE: 1/4"–3/4"), 1pc wing nut driver (12mm), 1pc 6" extension bar, 2pcs 3" PH1 & PH2 bits, and 20pcs 1" S2 impact bits (PH, PZ, T, SL, SQ); all in a labeled, portable storage case.

·【High Strength & Durability】 Nut drivers and extension bar are made from premium Cr-V steel with heat treatment for high torque and wear resistance. S2 bits offer superior hardness and longevity, meeting ANSI and DIN standards. Surface treated with black manganese phosphate for enhanced corrosion protection.

·【High Magnetic】 Shallow nut drivers come with strong built-in magnets to securely hold fasteners—no drops, no frustration. Perfect for tight spaces and overhead work. (Deep nut drivers are non-magnetic by design.)

·【Quick-Connect & Wide Compatibility】 All pieces feature a 1/4" hex shank for fast swaps with electric drills, impact drivers, and quick-change chucks. Deep sockets with color-coded collars allow quick size identification, boosting workshop efficiency. Ideal for DIY, automotive, HVAC, and professional applications.

·【Organized Storage Case】 Comes in a rugged blow-molded case with individual slots and easy-to-read size markings. Keeps every bit and socket in place for quick access and hassle-free portability.