Detailed Product Description Item NoQty (sets/CTN)Means (cm)G.W./N.W. (kgs)SizeC045B011239*24 ... bits, 1pc hex allen key, 1pc quick change chuck, 7pcs tapered drill with countersink:3.2,3.6,4.0 ... .8/11.81pc hex key, 1pc stop collar:10mm, 7pcs tapered drills with counterborn&counterisnk:3,3.5,4,4 ... 25*1816/151pc hex key, 2pcs stop collar:10,13mm, 7pcs tapered drills with counterborn&countersinks:3,4,5,6,7 ...