The sockets in this set are manufactured from carbon steel & they come packed in a durable plastic storagecase with carry handle for easy portability. Set includes:7 Reversible Ratchet Handle 2 Extension Bar1/4 Male & 3/8 Female Adaptor Spin Disc14 pc Dr SAE: 5/32, 3/16, 7/32, 1/4, 9/32, 14 pc Dr Metric: 4, 4.5, 5, 5.5, 6. 6.5, 7, 7.5,5/16, 11/32, 3/8, 13/32, 7/16, 8, 9, 10, 11, 12, 13mm15/32, 1/2, 17/32, 9/16 3/8 Dr Metric: 14mm3 pc Dr (8pt) SAE: 1/4, 5/16, 3/8 3 pc Hex Key Wrench BARCODE 5017403 382683