Kaisi Phone Repair Screwdrivers Tools Kit, Protable Pocket Multi-Functional Precision 6 in 1 Magnetic Screwdriver Bit Set with Extended Rod Compatible Cell Phone, Eyeglass, Tablet, Laptop Repair Etc [Super Strong Hardness in High Quality]: CNC numerical control grinding head uses high hardness S2 alloy steel Its hardness is HRC58-61 [Application]: The 6 in 1 iphone repair kit suitable for fixing cell phone,tablet,laptop,glasses,aerial mould and precision electronic instrument [Advantages]:The Screwdriver kit built-in elastic extension rod of the screwdriver is more convenient and easier to carry out.Metal embossing made on handle is for skid proof [Easy to Carry]: The packaging of this tools kit is compact design, eco-packaging, easy to carry and storage [What You Will Get]: This Repair tools screwdriver includes the 2.5 Hexagonal ,special 2.0 and 1.5 Phillips Head, 1.2 Star , 2.0 Flathead , and 0.8 Star