Crescent CTK30SET 12 Point Fractional Metric Standard and Deep Socket Set with Case, 30-Piece The item is Crescent CTK30SET 12 Point Fractional Metric Standard and Deep Socket Set with Case, 30-Piece Used for Handtools & Tool Organizers, Sockets & Socket Sets The product is manufactured in Taiwan 12 point sockets: 5/16", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 9mm, 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm. 12 point deep sockets: 7/16", 1/2", 9/16", 5/8", 11/16", 12mm, 13mm, 14mm, 16mm, 17mm. All tools meet stringent new ANSI and ASME specifications. Durable plastic storage case.