기능

• Since the fit ring securely catches the hexagon socket head cap bolt, it can be inserted into the desired screw hole with one hand, improving workability.
• For tightening and loosening hex socket head cap bolts and set screws.
• When loosening and removing hex socket head cap bolts in a deep place, they can be brought to the hand without falling off.
• It is possible to bring the hexagon socket head cap bolt to the screw hole in the deep place without dropping it.
• 5 sizes including 3 mm to 6 mm which are most commonly used for hexagonal bars are set in a compact plastic holder.