General description This IRWIN® T10757 Long Arm Ball End Hex Key Set includes 10 high-quality keys made from chrome vanadium steel, known for its strength and durability. The keys are heat-treated to resist rust and corrosion, ensuring long-lasting performance. Each key features a routered tip for improved gripping and a ball point that allows turning at angles up to 25 degrees, making it easier to access deep-set screws or hard-to-reach areas. The set comes with a plastic holster for convenient storage. Technical specifications Model: Long arm ball-end hex key set Material: Chrome vanadium steel Number of pieces: 10 Sizes: 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 7.0 mm, 8.0 mm, 10.0 mm Design: Long arm with ball end Angle of operation: Up to 25 degrees Durability: Resistant to wear, rust, and corrosion Compatibility and accessories Compatible with standard hex screws and bolts Suitable for use in tight or hard-to-reach spaces Installation No installation required;