This professional 9-piece metric hex-key set is crafted from top-grade alloy steel with rust and corrosion-resistant surfaces for long-lasting use. The set features a durable caddy with a unique locking mechanism and marked slots to keep your tools organized and accessible.

• Includes 9 metric hex key sizes ranging from 1.5 mm to 10 mm
• Durable caddy features a unique locking mechanism and marked slots for easy organization
• Dual-length design provides extra length for hard-to-reach areas and short sides for high-torque applications
• Constructed from heat-treated and tempered top-grade alloy steel for maximum strength
• Rust and corrosion-resistant surfaces ensure longevity in various working environments
• Proudly made in the USA