3PCS Hole Saw Set for Carpenter′s Working Tool Hangzhou Shunguang Imp. & Exp. Co., Ltd. Base Info Model NO.:ST22017Surface Treatment:Powder CoatedTeeth:Gear GrindingMaterial:Bi-Metal Hole Saw(Hhs+Hcs)Trademark:SUGOTransport Package:BlisterSpecification:GSOrigin:ChinaHS Code:82075090 Description Pre:Heavy Duty Impact-Driver Set with Plastic Tool Box Next:economic C-Type Locking Plier