Built-in auto-locking mechanism holds the bit firmly in place while working and prevents slipping during home repairs or outdoor projects Constructed from premium steel with machined and rust-proof coating, this socket adapter will withstand the abuse of construction and auto body shop without bending or breaking This 1/4 hex shank drill adapter features a quick release mechanism that allows you to change bits in seconds without the use of tools, increasing the efficiency of professionals and users who frequently replace attachments during projects The 1/4" hex drive fits most power tools and accepts a variety of bits/sockets, making it ideal for multiple repair jobs without the need for multiple adapters Functional extended design (79x70x6.35mm) allows access to tight spaces, ideal for mobile technicians and users, Manufacturer: Netbiio