Features: Every bit is engraved part number and size for fast recognition. Made of CR-V steel ,it's hardness can reach over HRC62, resist abrasion, oxidation and corrosion. Built-in magnet on the handle head, it will actively absorb the drive bits, super smooth swivel cap allows you to apply constant pressure while rotating. The new precision structure storage box- design, the capacity is 128Pcs, the size is suitable for one-handed carrying.Useful for laptop, PC building, cell phone, tablet, MacBook-, Phone, Pad, game consoles/controller, Ring doorbell, sewing machine, HVAC, knife and more. This is the toolkit every DIYer-, fixer, hobbyist, and professional needs to tackle any job, It is also a decent and cool gift for family, friends, colleagues, etc. Package Includes: 1 Set Precision Screwdriver Set Specifications: Material: Cr-v Length: approx 16.5cm/6.5in Magnetic: Yes Type: square/Y-shaped/cross/flat/hex/star note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.