The BlueSpot 40 Piece Socket Set is triple chrome plated and drop forged for increased durability. Includes sturdy plastic case for quick and convenient storage.Chrome plated and drop forged for increased durabilityMetric and Imperial sizesIncludes sturdy plastic case for quick and convenient storagePackage Contents1/4" Drive Sockets (6pt): 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" & 1/2". 3/8" Drive Sockets (6pt): 7/16", 1/2" & 9/16". 1/4" Drive Sockets (8pt): 1/2", 5/16" & 3/8". 1/4" Drive Sockets (6pt): 4, 4.5, 5, 5.5, 6, 6.5, 7, 8, 9, 10, 11, 12, 13 & 14mm. 3/8" Female Adapter. 1/4" Male Adaptor. 3" Extension Bar. 1 Spin Disc.