Features: Engineered as a universally cartridge key, this 4mm thick stainless steel wrench provides durability for removing/replacing faucet cartridges, aerators, and gas cylinder caps. Featuring precisions machined grooves and corrosions resistant 304 stainless steel construction, this multi functional tool securely grips cartridge cover rings without slippage while resisting rust in wet kitchen environments. Ideal for homeowners, professional plumbers, and enthusiasts maintaining kitchen faucets, this wrench simplifies routine filter changes and faucet repairs in residential or commercial settings. Use this versatile cartridge key to perform quick maintenance under sinks, replace worn out aerators in kitchen faucets, or safely open gas cylinder during outdoor cooking setups. Designed with a compact 3 prong configuration matching proprietary cartridge systems, this heavy duty stainless steel wrench ensures proper torques application during filter replacements while preventing surfaces scratches. Specifications: Component:Stainless Steel Length:Approx.6.4cm/2.52'' Package Includes: 1Piece Cartridge Key note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.