This ultra compact 3/8" socket case is designed to fit any brand of chrome sockets. The ones pictured are Harbor Freight's Quinn 3/8 Drive Socket Sets (Standard 10pc: 64211, Metric 10pc: 64213). SOCKETS NOT INCLUDED Fits: Almost any 3/8" Drive chrome sockets of the same size selection. Sockets must be a maximum height of 1.30" and a minimum height of .80". This is most chrome 3/8" drive sockets. Is Ideal For: Harbor Freight PITTSBURGH PRO 3/8 in. Drive Socket Set, 10-Piece (Standard & Metric) Harbor Freight QUINN 3/8 in. Drive Chrome Socket Set, 10-Piece (Standard & Metric) Harbor Freight PITTSBURGH PRO 3/8 in. Drive Color-Coded Socket Set, 10-Piece (Standard & Metric) Specifications This case will hold sockets with a maximum height of 1.30" and a minimum height of .80". This is most chrome 3/8" drive sockets. Standard Sizes: 5/16" - 7/8" 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" Metric Sizes: 10mm - 22mm10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 19mm, 22mm Physical Dimensions [in]: Key Features Ultra Compact Arrangement for Minimum Case Size. Spring Loaded Latch. Easy to Read Labels. If you have any questions, please feel free to email [email protected]