Drill Chucks, Key-type, Heavy duty, used for Bench Drills or Drilling and Milling machines ModelCapacity (mm)MountsD(mm)L1(mm)L2(mm) J2160.6-6B1030.35039.5J21101-10B1243.469.754J21131-13B1653.28667J2116A1-16B16579375J21161-16B18579375J21205-20B2265.311082 J226 1/4”JT130.35039.5 J22103/8”JT243.469.754J2213A1/2”JT653.28667J22131/2”JT3353.28667J22165/8”JT3579375J22203/4”JT36812092