The 63PC VERSASTACK™ Mechanic Tool Set is a comprehensive 3/8-in drive mechanic tool set that integrates seamlessly into the VERSASTACK System. An ideal set to incorporate into an existing arsenal of tools, or great starter set. This set features 72 Tooth 3/8" Drive Quick Release Ratchet (CMMT81748) which provides users with an ideal balance between durability and accessibility. All tools meet or exceed ASME specifications and are backed by CRAFTSMAN'S Full Lifetime Warranty. Take on your next project with Full Polish Chrome 63 PC. VERSASTACK Mechanics Tool Set.