M3 Miniature Finger-Twisted Socket

一个适配M3螺母的手拧小套筒，有垂直防滑纹路，上面的面可以用螺丝刀拧紧。 A small hand-screwed sleeve for M3 nuts with vertical anti-slip lines, the upper surface can be tightened with a screwdriver. 当然你也可以对它进行整体缩放来适配其它尺寸:) Of course, you can also scale it to fit other sizes :) 大致缩放尺寸（纸面计算，仅供参考）： Approximate scale dimensions (calculated on paper, for reference only): M2：0.7M4：1.2M5：1.35