These mechanics tools have been designed with professional users in mind for better productivity, access, and strength.The impact socket set in a foam storage tray is one of the wide collection of Modular Sets. These chemical and solvent resistant foam trays are designed to fit in a wide range of tool storage systems. The tray features high visibility size markings for easy tool identification. Each of the tools fits in a custom cutout that provides optimal protection, organization, and accessibility.Off-corner loading design to reduce fastener roundingChrome molybdenum alloy steel (Cr-Mo) for exceptional strength and durabilityBlack oxide finish to resist corrosionHigh-visibility laser-etched markings with secondary hard stamped sizes provide quick size identificationMeets or exceeds ASME requirementsIncludes premium precut foam storage tray with high visibility size markings for organizationStandard large foam storage tray size: 20.25" x 13.5" x 2.0"Sizes included: 1/4" drive 3/16-9/16" standard & deep, 3/8" drive 5/16-1" standard & deep, 1/2" drive 15/16 to 1-1/2" standard; 3/8-7/8" deep