Broached and chrome plated with a smoothed surface. Made of selected alloy steel. The size of the opening for this 6 point wrench is determined by measuring the length between two parallel flat sides.
拉削和镀铬,表面光滑。由精选的合金钢制成。这个六角扳手的开口尺寸是通过测量两个平行平边之间的长度来确定的。