The B4504 9-Piece Folding SAE Hex Key Set is an essential tool for anyone working with standard hex fasteners. Whether you're assembling furniture, maintaining machinery, or handling automotive repairs, this set provides a convenient and reliable solution. Made from high-quality Chromium-Vanadium (Cr-V) steel, these hex keys offer excellent strength and durability for long-term use. The folding design keeps the keys neatly stored and organized, preventing loss and ensuring quick access when needed. The ergonomic, non-slip grip handle provides enhanced comfort and control, reducing hand fatigue during extended use. Features: Durable Construction: Made from Chromium-Vanadium (Cr-V) steel for maximum strength and resistance to wear. Folding Design: Keeps all hex keys securely stored and easily accessible. Ergonomic Handle: Non-slip rubberized grip ensures comfort and control during use. Size Markings: Each key is clearly labeled for quick and easy identification. Compact & Portable: Ideal for toolboxes, workbenches, or carrying in a pocket. Versatile Applications: Perfect for furniture assembly, bicycle maintenance, machinery repairs, and more. Specifications: SAE Hex Key Sizes: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4" Material: Chromium-Vanadium (Cr-V) steel Handle: Non-slip, ergonomic grip Comes With: One 9-piece folding SAE hex key set with a yellow and black ergonomic handle for easy identification