This is an authentic Hitachi replacement part. The depth gauge is commonly found on power tools such as rotary hammers and drills. This part is made of high-quality plastic, and is used with the side handle to ensure a precise depth of drill hole. No tools are required when replacing this item. Simply remove the old part and slot the new one into place. This part is sold individually.
This is an original replacement part manufactured for use with Hitachi drill drivers. The special self-tapping screw is commonly used to fasten the two halves of the motor housing. This screw is used with several different models and can have multiple applications. The screw is sold individually, please see model diagram for associative parts.