The 45-618 is a 45° angled screwdriver bit holder from Ideal Industries. It is made of chrome vanadium steel and features a black oxide surface. It is designed to be used with either a 1/4" or 3/8" drive ratchet or screwdriver and can hold a variety of bits. The body of the holder is designed with a knurled surface to provide a secure grip when firmly held. The tip of the holder is shaped so that it can easily be inserted into tight spaces. The bit holder is 4" long, making it perfect for a variety of applications.