... Length Tolerance +/- 0.05mm 3,Surface smoothing 4,High hardness Wooden dowel Process 1,Chooses the hard wood,undergoes ... curvy,does not distort. 3,The same model wooden Dowels are in the same diameter,the error in ... make sure the drill is smaller 0.2mm than wooden dowel,when namely uses the 8mm cork,the ... hole must be 7.8mm,wooden Dowel can completely with plate,guaranteed that product ...