[Features] ● Spring steel and steel balls are embedded in the ball point of the head. (3.0mm ~ 6.0mm) ●It holds the bolt securely from the inside, making it convenient for tightening screws in deep places. ●The steel ball has a hardness of 60 degrees HRC or higher and will not wear out.
[Applications] - For tightening hexagon socket bolts and hexagon socket set screws.
[Specifications] ●Set contents (mm): 1.5, 2, 2.5, 3, 4, 5, 6 ●Set contents (books): 7 ●Remarks: Long type ●Hardness: HRC54-59
