This professional 51-piece set features Surface Drive technology to reduce fastener rounding and high-polish chrome sockets for durability. The kit includes an 84-tooth thin profile ratchet and a specialized thumbwheel ratchet for easy access in tight spaces.

• Full polish chrome sockets with large, easy-to-read hard-stamped size markings
• 84-tooth thin profile ratchet for high-performance operation in tight spaces
• Surface Drive technology designed to reduce fastener rounding
• Includes a thumbwheel ratchet for specialized access in confined areas
• Knurled extensions and dual-line identification for quick SAE and Metric selection
• Meets or exceeds ASME B107.1, B107.5M, and B1007.10 standards
• Organized in a durable storage case for easy transport and protection