Q24-16 Milling Chuck Set 1,A set inckuded : 1 collet chuck, 1 clamping nut, 8 collets and 1 spanner. 2,Packed in a wooden case or plastic case. 8 ColletsShank sized (mm)Item No.d(in)Item No.R84 5 6 8 10 12 14 165514601/8 3/16 1/4 5/16 3/8 1/2 9/16 5/8551450ISO30551461551451ISO40551462551452ISO50551468551458MS2551463551453MS3551464551454MS4551465551455MS55514695514591"5514665514561-1/4"551467551457 1.Please notify the thread of collet chuck draw bar and the specification of collets(metric of inch)2.Please notify the length of straight shank and dia