Magnetic Precision Screwdriver Set Repair Tools Kit

【Higher Hardness 60HRC & 55HRC, More Durable】This small precision screwdriver set consists of 98 screwdriver bits, which made of Cr-V Steel (55HRC hardness) and 3 TorxTR screwdriver bits, which made of S2 alloy steel(60HRC hardness). The type of 3 TorxTR screwdriver bits is T6H, T8H, and T10H, which have higher hardness, stronger torque, and strong impact resistance. It can be installed on cordless screwdrivers and disassembled more than 500 Screws.