[Features] ● Comes with a catcher ball. (There is no catcher ball for 1.5, 2, and 2.5 mm across flats.) ●A steel ball and spring are embedded in the head to hold the bolt securely from the inside. - Hexagonal catcher type. (With a catcher ball up to 3 to 10 mm) ●The steel ball has a hardness of HRC 60 degrees or more, and has excellent durability.
[Applications] ● Fastening cap bolts and set screws.