Description The Steel Core 21-Piece in. Drive Heavy Duty Jumbo Socket Set with blow mold case is perfect for your big projects that require a socket set with muscle. It is ideal for truck and trailer service and other heavy-duty applications. Notches in the sockets lock into ratchets and extensions and the knurled pattern on the ratchet handles provides excellent grip. Constructed of drop-forged heat-treated steel and is chrome-plated to resist corrosion: perfect for any garage or shop.Product Details:21-piece jumbo socket set for heavy-duty applications3/4" drive sockets made from high-strength steel for superior durabilityIncludes a variety of sizes for versatile useHeavy-duty construction ideal for automotive, industrial, and farm workComes with a rugged carrying case for organized storage and portabilityDrop-forged heat-treated steel chrome platedBlow molded storage case includedCarbon-steel constructionChrome-plated to resist corrosionBlow molded caseSpecifications:Brand: Steel CoreModel: 30200Drive Size: 3/4"Material: Heavy-duty steelPieces: 21-piece setIncludes: Assorted jumbo sockets and carrying caseApplication: Automotive, industrial, and heavy equipment maintenance16-piece socket set includes: 7/8 in., 15/16 in., 1 in., 1-1/16 in., 1-1/8 in., 1-3/16 in., 1-1/4 in., 1-5/16 in., 1-3/8 in., 1-7/16 in., 1-1/2 in., 1-5/8 in., 1-3/4 in., 1-13/16 in., 1-7/8 in., 2 in.19.5 in. Heat treated steel ratchet19.5 in. Flex breaker bar2 Extensions: 4 in. and 8 in.