Allen Key CRV Black Finish 12 x 125 x 45 mm. This durable hex key is made from high‑quality chrome vanadium steel (CRV) for strength, reliability and long service life. The black finish offers added corrosion resistance, making it ideal for both professional tradespeople and DIY users. Precisely engineered to fit compatible fasteners securely, it helps reduce rounding and slipping during use. Perfect for assembling furniture, tightening mechanical fixings, and general maintenance tasks where a strong and dependable Allen key is required. Its compact size allows easy storage in toolboxes, pouches, or workshop drawers, ensuring it is always ready when needed.