Super Versatile Bits Selection: 24*S2 steel magnetic precision bit heads, to meet your different daily use, such as quartz watch, cameras, radios, tablet computers, mobile phones, drones, etc. The sturdy bits are engineered to deliver super high precision for perfect usage. All-in-one design, you only need this set to complete the disassembly and maintenance of a variety of equipment.Durable and Precisely: Qualified bits should be durable and hard. Every driver bit of fanttik mini-precision screwdriver is made of high-quality S2 steel with hardness up to 60HRC, S2 bit has a much longer lifetime than the bit made of chrome-vanadium steel(CR-V). All bits are well made with strict quality control with high precision to make sure all your repairing work precisely and reliable.Rotatable Non-Slip Handle: Worked quietly and smoothly, the aluminium alloy handle with a knurled non-slip treatment can easily fit with your finger and provide comfortable hand feeling. 360 humanized rotating cap will not grind hands after long-lasting work. Sandblasted surface anodes treatment, anti-sweat, and anti-corrosion.