The Wera Stubby Screwdriver Bit Set, featuring a 6-piece set of Kraftform Kompakt Magazine bits in various sizes including T15 star size, is a heavy-duty tool suitable for professional use. Made from durable steel, these bits come with an ergonomic grip for comfortable handling and a bi-material handle for added durability. The kit also includes additional bits, roll-off protection, and an anti-roll handle for convenient use. With a lifetime guarantee and a weight of 172g, this set is a reliable choice for any DIY or workshop project.