Features Mechanic tool set that includes the most popular socket sizes in 1/4", 3/8" and 1/2", Imperial and Metric, Standard and Deep. Large laser-etched markings improve size identification and provide differentiation between SAE and metric sizes. 3/8" and 1/2" sockets feature dual markings (stamp and laser-etched) and a knurl for improved grip. Socket set includes sturdy, durable case to keep the tools organised and easy to transport to the job site. This mechanics socket set is backed by a Limited Lifetime provided by Gray Tools, a leading hand tool manufacturer since 1912. Includes 1/4" Drive: 6 Point Standard SAE Sockets: 5/32”, 3/16”, 7/32”, 1/4", 9/32”, 5/16”, 11/32”, 3/8”, 7/16”, 1/2" 6 Point Standard Metric Sockets: 4, 4. 5, 5, 5. 5, 6, 7, 8, 9, 10, 11, 12, 13 mm 6 Point Deep SAE Sockets: 3/16”, 1/4", 9/32”, 5/16” 12 Point Standard SAE Sockets: 3/16”, 7/32”, 1/4", 9/32”, 5/16”, 11/32”, 3/8”, 7/16”, 1/2" 3/8" Drive: 6 Point Standard SAE Sockets: 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16” 6 Point Standard Metric Sockets: 9, 10, 11, 12, 13, 14, 15, 17, 19 mm 12 Point Standard SAE Sockets: 3/8”, 7/16”, 1/2", 9/16”, 5/8”, 11/16”, 3/4", 13/16” 12 Point Standard Metric Sockets: 9, 10, 11, 12, 13, 14, 15, 16, 17, 19 mm 12 Point Deep SAE Sockets: 3/8”, 7/16”, 1/2", 9/16” 1/2" Drive: 12 Point Standard SAE Sockets: 1/2", 9/16”, 5/8”, 11/16”, 3/4", 13/16”, 7/8” Chrome Ratchets: 1/4", 3/8”, 1/2" Drive 2 Spark Plug Sockets 3/8” Drive: 5/8”, 13/16” Extensions: 1/4" Drive 4”, 3/8” Drive 3” & 1/2” Drive 5”