The Ingersoll Rand® 66 piece 1/4-inch drive master mechanic’s socket set combines the most commonly used technician tools in a comprehensive all-in-one collection. The set includes 51 SAE and metric sockets, a 72 tooth ratchet and 14 tools and accessories. All Ingersoll Rand® master mechanic tool sets include a durable, high-quality storage case that breaks down with removable hinges for easy storage in toolbox drawers and reassembles in seconds for transporting tools to the job site. Torx is a registered trademark of Acument Intellectual Properties LLC • COMPREHENSIVE SET: Includes 1/4-inch Drive: 51 SAE and Metric Sockets, 72 Tooth Ratchet and 14 Tools and Accessories • INCLUDES: Durable, High-Quality Storage Case that Breaks Down with Removable Hinges for Easy Storage in Toolbox Drawers and Reassembles in Seconds for Transporting Tools • COMBINE WITH OTHER MASTER SETS: Easily build a complete tool collection or add to an existing one with these convenient sets. • QUALITY BUILT: Tools Meet or Exceed ANSI Standards for Fit, Finish and Torque • • COLOR: Mirror Polished Chrome Plated Finish • MATERIAL: Chrome Vanadium Steel