I already have VESSEL 270 W and ANEX No. 1580, but tried purchasing for comparison. The shape is similar to VESSEL but there is concern that it will break when force is applied because the bit insertion port is made of plastic. Hold feeling when holding a whole with a large difference in grip made of hard resin drops compared with the other two. Making the attached bit is unexpected well, plus the shape of the tip also fits well with the screw. It is a cost-effective driver to use for bicycle derailleur adjustment and mobile tools.