Features 1. The grip of this screwdriver bits set is made of all aluminum alloy material, rotorable top 360. 2. Magnetic Tip, Made of CRV Chrome vanadium steel material, strong and durable. Keeps parts and bits from being misplaced or lost while working. 3. 25 in 1 or 63-in-1 precision magnetic screwdriver set for standard and precision screws. 4. Practical and versatile: Comes in a sturdy, hard-shell case with labeled slots to keep bits organized. Ideal for home maintenance and repair. Specification Material: Chrome vanadium steel Color: Black Size: 14.5 cm Weight: 200 g, 400 g Package Include: 1x 25-in-1 Magnetic Driver Bits Set or 1x 63-in-1 Magnetic Driver Bits Set