7 Drill Chucks Includes Jacobs 2B 0-3/8 Capacity doesn't turn, Jacobs 6A 1/2 Cap - turns freely, Jacobs No 3 0-17/32 Capacity -turns freely, Jacobs No 1A 0-1/4 capacity -doesn't turn, Supreme 0-1/2 capacity- turns but little tight,Cushman 1/4" cap- doesn't turn and 1 unmarked keyless drill/tap holder turns freely. Also Includes 3 Keys 1 stamped S #6 and 1 stamped Jacobs 3 and 1 Stamped Jacobs 2. Check out pics Comes as Shown