77-piece set, with 1/2 inch and 1/4 inch ratchet sets, 22 25 mm bits, 13 hex socket wrenches 1/2 inch, 11 combination wrenches, 9 hex keys 1/4 inch, 8 hex keys, adjustable socket wrench, 2 extension bars 3, 5, 10 inch, ratchet 1/4 inch, universal joint 1/4, 1/2 inch, sliding handle 110 mm, bit holder 1/4 inch, spark plug socket 21 mm, ratchet 1/2 inch.