SONIC EQUIPMENT SOCKET AND SOCKET BITSSonic Equipment sockets and socket bits are manufactured from high grade chrome Vanadium steel, with a tight tolerance and high quality finish to ensure a perfect fit. They have an ergonomic knurled ring to improve anti slip and the sockets are extremely sturdy, slim and light, to work in tight spaces. Sockets and socket bits come well organized on an easy click on and click off socket strip.