[Features] ●W lock system (PAT): Even if you forget to put the buckle on, it will be locked when you lift it, preventing the tool from popping out. ●The handle is easy to hold and uses a non-slip rubber grip. ● Belt loops and tool holders are installed on both sides. (TSHB-500/620) ●Parts case TPC-03L/TPC-053L/TPC-1023L/TPC-1024L can be used. (TSHB-400)