Engineered from high-strength Cr-Mo alloy steel, this 39-piece master set is designed to handle high-torque impact tools with ease. Featuring radius corner technology to reduce fastener wear and a heavy-duty storage case, it provides professional-grade reliability for any job. All sockets meet ANSI standards and are backed by a lifetime warranty.

• High-strength Cr-Mo steel construction provides the durability and flexibility required for high-torque impact applications.
• Radius corner design minimizes fastener wear by distributing force across the walls rather than the corners.
• Chamfered openings allow for faster, easier alignment with fasteners.
• Permanent socket identification via laser etching and roll stamping ensures long-lasting visibility.
• Comprehensive 39-piece set includes sizes from 9 mm to 30 mm in both standard and deep lengths.
• Includes a universal joint and a heavy-duty storage case for organized, on-the-go use.
• Meets ANSI Standards for guaranteed performance and is backed by a Sunex lifetime warranty.