1,15years professional manufacture 2,wood hole saw 3,cutting wood,steel 4:size14~380mm 5:export toUSA,EUR, ... us!1.Embody super-excellent performance on drilling in wood,synthetic plastic plate and iron plate;2.The knife ... article made of high speed steel and spring steel;3.Adopt imbalanced scale-saw and lateral teeth design,with ... S1- 68682-11/16"S1-19193/4"S1-70702-3/4"S1-202025/32"S1-73732-7/8"S1- ...