Includes 24 pieces.111Z combination wrench 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 7/8", 1".1320RZ ratcheting ring wrenches 1/4 x 5/16, 5/16 x 11/32, 3/8 x 7/16, 1/2" x 9/16".1931Z Lilliput double open-end wrenches 3/16, 7/32, 1/4".9031 C ERGO™ adjustable wrench.208 mini hacksaw frame.1-100-04-2-2 ERGO™ flat file with handle, 4", second.1-230-04-2-2 ERGO™ round engineering file, 4", second.1177-SCRIBE offset scriber, 230 mm.1950MZ-3/8 crowfoot adjustable wrench, 3/8".Aviation mechanics, suitable for all large airplanes.Especially for line maintenance.Suitable for case 4750RCHD01