Sunex 3342, 3/8 Inch Drive Master Impact Socket Set, 42-Piece, SAE/Metric, 5/16 Inch - 3/4 Inch, 8mm - 19mm, Standard/Deep, Cr-Mo Alloy Steel, Radius Corner Design, Chamfered Opening, Dual Size Markings, Heavy Duty Storage Case, Meets ANSI Standards, Includes Universal Joint and Extensions