13Piece 3/8 Inch Drive Metric Impact Socket Set Complete Metric Range: Includes 13 sockets in sizes 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, and 19mm. for a variety of mechanical and automotive applications. Organized Storage: Comes with a durable steel holder rail to keep sockets securely in place and easy to access. CrMo Alloy Steel: Crafted from strength chrome molybdenum alloy steel for durability, impact resistance, and the ability to withstand higher working temperatures. Stronger than standard chrome vanadium for demanding tasks. Enhanced Durability: Cold forging and heat treatment provide increased strength, improved wear resistance, and a longer service life. The black phosphate finish offers protection against corrosion and wear. 6Point Design with Radius Corners: Delivers a precise, secure fit on fasteners, reduces the risk of rounding, and allows for more torque application. Distributes force on the socket inwall for better performance and extended tool life. Ideal for professional mechanics, automotive technicians, and DIY enthusiasts: 1. Loosening or tightening stubborn bolts on car engines, brake systems, or suspension components. 2. Performing routine maintenance on motorcycles, bikes, and heavy equipment with confidence. 3. Handling demanding jobs in workshops where strength, reliability, and corrosion resistance are crucial. Engineered for strength, precision, and longlasting performance, this 13piece metric impact socket set is built to meet the needs of both professionals and serious DIY users.