The 43pcs Foldable Bits Sets include 24 pieces of 25mm and 5 pieces of 50mm bits, all made of S2, which has the characteristics of high hardness and long service life. There are scales printed on the surface, making it easy to quickly find the right bit during use. The outer packaging is a black plastic shell, which is compact in size and reduces bit loss. It is also equipped with a quick release chunk to improve the efficiency of batch replacement. In addition, it also comes with 11 sockets of different sizes, a Duo-Drive Flex Head Mini Ratchet and a 25mm AD.