Keep your edges sharp.

You need four bolts with a M3 thread for a hexagon, 25mm long. and four M3 nuts .

The wide of the rasp shoud be less than 25mm.

保持板刃锋利。

需要4个25mm长的m3外六角螺丝和4个m3螺母。

锉刀宽度小于25mm。