Long  swivel-head  3/8"  rachet, 6"  extension &  3/8"  swivel. 3/8"  drive  sockets  include  19mm  deep, 16mm &  5/8"  spark plug  sockets, 17mm  &  9/16"  sockets. One  1/4" X 3/8"  adapter, 1/4 drive  sockets  include  9/32" deep, 1/2", 13mm, 15/32", 3/8" & 11/32". 15  pieces  total, all  new/ never  used.