This electronic part is the Wera 05027206001 Wrench, Hex-Plus Hexagon Keys, HEX 4mm, with an overall length of 70mm, and is made with steel material. It features a 1 size, a rounded head shape, a hard chromed and black finish, and a small size for a variety of applications. This part is suitable for work on fine mechanical elements, as well as electronic and electrical equipment. It has a chamfered shape for easy insertion into screws, as well as for optimum engagement allowing a longer service life. It also features a very low and slim head profile which helps in accessing tight spots.