Durable and reliable two size wrench keys for compression fittings - Durable construction Drop forged chrome vanadium steel with contoured shafts delivers strength and comfortable handling for repeated use. - Corrosion resistant finish Fully hardened, tempered, chrome plated and fully polished to resist corrosion and extend tool life. - Versatile jaw design Flaring wrench jaw fits most common sizes of compression fittings for quick, secure engagement without changing tools. - Efficient size coverage Each key covers two sizes, reducing the number of tools needed and speeding up your work. Specifications and performance - Material: Drop forged chrome vanadium steel - Shafts: Contoured for improved grip and comfort - Finish: Fully hardened, tempered, chrome plated and fully polished for corrosion resistance - Jaw: Flaring wrench jaw compatible with most common compression fitting sizes - Size coverage: Each key covers two sizes Practical use scenarios - Plumbing installations and repairs in tight spaces such as under sinks or behind cabinetry, where quick size adjustments are essential. - Automotive or equipment maintenance requiring fast handling of small-diameter compression fittings without swapping tools. - Appliance or HVAC work involving compression fittings, providing durable and reliable service across multiple sizes.