zvd self tightening drill chuck, keyless hand drill chuck, 13mm multi quick change keyless universal chuck mount, multi purpose hand drill chuck

self tightening drill chuck durable and has a long service life, suitable for long time work. the chuck can hold the drill bit firmly and securely, not easy to loosen. compared with the traditional drill chuck, this self tightening drill chuck will be easier to install and disassemble 13mm universal