CRAFTSMAN 105-Piece Standard (SAE) and Metric Polished Chrome Mechanics Tool Set with Hard CaseLow Profile Ratchet: Up to 25% thinner head for access in tight spaces (as compared to CMMT81747 and CMMT81748)72-Tooth Ratchet: Delivers 5 degree arc swingEasy Tool Storage: Durable Blow Molded CaseAll-in-one Mechanics Set: Contains as full assortment of sockets, ratchets, wrenches, and specialty bits for automotive enthusiasts and mechanicsCorrosion Resistance: Full Polish Chrome FinishCRAFTSMAN Full Lifetime WarrantyGeneralFinishPolished chromeFeatures1-in Drive Ratchet IncludedNoNumber of Additional Tools Included271/2-in Drive Ratchet IncludedNoNumber of Drive Tools21/4-in Drive Ratchet IncludedYesNumber of Extensions23/4-in Drive Ratchet IncludedNoNumber of Quick Release Ratchets23/8-in Drive Ratchet IncludedYesNumber of Sockets72Case TypeHardNumber of Wrenches0Deep Socket(s) IncludedYesShallow Socket(s) IncludedYesDrive Type6-pointSpark Plug Socket(s) IncludedYesIntermediate Socket(s) IncludedNoTotal Number of Pieces105Measure TypeStandard (SAE) and MetricWarrantyLifetime