The INTERTOOL 51pc Portable Screwdriver set was designed to be handy for the majority of screws and bolts with 51 different components including screwdriver, bits, and sockets in order to accommodate for a variety of projects. The screwdriver tips are magnetic to easily keep track of loose screws during use. The set includes a multi-directional ratcheting screwdriver for a wide variety of scenarios and fastener types. The screwdriver blades and included bits are made of highly durable Chrome Vanadium (CrV) steel that protects against blade bend or tip malformation. The sockets are made of heat treated Carbon Steel to keep substantial longevity. Set includes a holder that is easily transportable and organized. As one of the most common and used tools in the household, garage, or job site, dependable and effective screwdrivers are fundamental to have. The INTERTOOL 51pc Screwdriver set will suit your various needs and hold near-everlasting integrity.