Quick-Change Clamping Internal Cooling Arbor ZhuoTuo Precision Tools (Suzhou) Co., Ltd. Base Info Model NO.:MTS-3Length:19.5Usage:Coal Mining, Well DrillingMaterial:MetalTrademark:zttoolsTransport Package:Carton BoxOrigin:SuzhouHS Code:8207509000 Description Pre:Arbor for Clamping 19.05mm Annular Cutter Next:Core Barrel Cutting Tools Single Cone Roller Bit of Tricone