TT-42/螺母起子托盘组 Nut Driver Set- 7件装

Nut drivers are used in different industries and trades to tighten nuts and bolts. The tool is a small wrench that has a shaft with a hexagonal, square, or star-shaped head on one end. It’s similar in appearance, purpose, and use to a screwdriver. Generally, the shaft is hollowed out to accommodate the threaded shank of the nut or bolt.