Kobalt 63 Piece Standard (SAE) and Metric Combination Polished Chrome Mechanics Tool Set Package Security HVAC equipment efficiency and other Grey Vanity HVAC equipment efficiency and other factors) 000 BTUs and three heat settings assorted bits and a quick release ratchet to tackle automotive repairs or workshop projects Polished chrome finish is corrosion resistant for long term durability Shorter handles and small drive sizes help to reduce chances of over tightening Quick release button on ratchet makes it easy to remove sockets or swap out drive tools for added convenience and versatility 72 tooth ratchet provides 5 ° of arc swing to help you maneuver in tight areas Hard case with handle offers easy portability and keeps tools organized Hassle free lifetime guarantee gives you peace of mind Kobalt 63 piece mechanic’s tool set includes drive tools