Specification:ModelR8-ER32Material40CrApplicable chuckER32Clamping range1-20mmNut diameter50mmDrawbar Thread7/16 inch SizeTool Holder: Length: 160*48mmDiameter: 48mmShank diameter: 11mmWrench: 205mmWeight0.7KgFeature:- Made of high quality material, durable in use.- Professional manufacturing, exqui..