Ausgrip sockets and accessories are manufactured from heat treated, drop-forged chrome vanadium (CR-V) steel with a micro chrome finish for greater corrosion resistance. Sockets feature double cross knurled rings to assist gripping with oily fingers. These unique low profile sockets are designed for work in areas of limited access and tight tolerances. This set also includes a slim design, low profile ratchet. DIN standard with *AuzDrive technology. Set supplied in a quality, segmented, metal case.