PROFESSIONAL S2 ALLOY STEEL CONSTRUCTION – Built from premium S2 alloy steel, this 9-piece hex key set delivers exceptional strength, durability, and resistance to wear for heavy-duty professional use. BALL END DESIGN FOR ANGLED ACCESS – The precision ball end allows fastener access at angles up to 25°, making it ideal for working in tight, restricted, or awkward spaces where straight access is impossible. EXTRA LONG ARM FOR GREATER REACH & TORQUE – The long arm design extends your reach into deep recesses and significantly increases torque leverage, reducing effort on stubborn or hard-to-reach fasteners. RUST & CORROSION RESISTANT COATING – A durable protective finish shields each key from rust, corrosion, and surface damage, ensuring long-lasting performance even in demanding workshop or site environments. 9 METRIC SIZES WITH ORGANISED STORAGE – Includes sizes 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm & 10mm. Each key is size-marked for fast ID and stored in a compact, colour-coded holder for easy access., Weight: 0.9479877266 pounds, Manufacturer: OX Tools