Knipex 9T 63458 KN | MAXX Plus 4" Hollow Nut Driver 3/8"

A Nut Driver is a hand tool designed for driving and tightening nuts onto bolts. It consists of a handle with a cylindrical socket at the end that matches the size of the nut or bolt head. Nut drivers are commonly used in automotive, mechanical, and electrical applications where precise fastening is required.