CRAFTSMAN Mechanics Tool Set, SAE / Metric, 1/4-Inch Drive, 83-Piece (CMMT12021) 83-piece 1/4-inch and 3/8-inch Drive Mechanics Tool Set featuring mechanic socket set comes equipped with 72-Tooth ratchets, a broad assortment of drive tools, and a rugged blow mold case. This case is constructed with metal hinges for separate sets, and the dimensions are specifically designed to fit into CRAFTSMAN metal storage boxes for easy organization. Features CORROSION RESISTANCE: Socket sets have full polish chrome finish MINIMAL ARC SWING: 72-tooth ratchets in 2 drive sizes come with socket set metric and standard INCREASED TORQUE: 6-point sockets set with fastener ALLOWS FOR EASY TOOL STORAGE: Durable Blow Molded Case QUICK SIZE IDENTIFICATION: Large Markings Meets or Exceeds ASME Specifications USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.