GEARWRENCH mechanics tools have all been designed with the professional user in mind to increase productivity, access, and strength. The 90 tooth ratchets and sockets are made from premium alloy steel and feature a full polish chrome finish that resists rust and corrosion. Large, hard-stamped markings allow for easy identification and can be easily recognized as SAE (double line) or metric (knurled line). Additionally, the off-corner loading design puts force on the flats of fasteners for improved durability and reduced fastener rounding. 90-tooth gear delivers a 4° swing arc to turn a fastener in tight confines. Stubby and standard length ratchets for better access in all areas. Sockets feature off-corner loading design to reduce fastener rounding. Knurled full polish chrome extensions. Full polish chrome sockets with large, hard-stamped size markings. Includes blow mold case for storage and organization. Meets or exceeds ASME specifications. Thank You for shopping with Live Wire Tooling. Please visit our store for many more great deals!