High quality steel refining, needle has good toughness, convenient to open the lock. Can open all kinds of car locks, especially for high-grade locks, really does not hurt the lock, high efficiency, technical professional open slot milling slot milling notches and outside inside lock. Especially for a fragment or high lock of film has good performance. Tool front dial needle, which has two kinds of length, is the best tool to a locksmith to open car lock.