●Product size: Width 21* height 330* 21mm in depth
●Weight: 392 g
●The drill for the general wood 21mm perforator.
●It can support a wide perforator from the shallow hole to the deep hole.
●Please use it in an electric drill.
●As it is last screw type, I can make a hole consecutively easily.
●A 12mm hexagon axis.
●Size: 330mm in total length, screw length 240mm.
●Please do not use it with an electric tool of (more than 1,500 rounds/m) to rotate at high peed.