Aiwa Combination Wrench Set 40pcs 1/4"& 3/8"

Set of keys with standard and metric sockets. Set composition: 1 pc 3/8 rotary handle. 14 pcs 1/4" other metric connectors: 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13 mm. 14 pcs 1/4" Dr. SAE connector: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16". 3 pcs. 1/4" dr. SAE connector (8pt.): 1/4, 5/16, 3/8". 1 piece 3/8 dr.x3 ext. bar. 1 pc 1/4x3/8 adapter. 1pc 3/8 dr.x21MM spark plug socket. 1 pc 6" rotating handle. 2 pcs 3/8 dr. metric socket: 15, 16 mm. 1 pc. color sleeve. 1 pc plastic case. Head sizes: Metric: 4-13 mm (4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13 mm). Inch: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2, 17/32, 9/16".