general Fit Design: Engineered to match common single-handle faucet models for across residential and light commercial settings. Complete Replacement Kit: Includes 1 copper valve core and 1 precision tool set for seamless cartridge swap-no extra tools needed. Streamlined Single-Handle Operation: Restores smooth, responsive handle movement-perfect for kitchen and bathroom faucets requiring precise water control. Compact & Ready-to-Use: Measures 10x5x5 cm with white finish; CHECK YOUR FAUCET'S SPECIFIC SIZE CHART BEFORE ORDERING-not Amazon's sizing. Copper Valve Core: Made from solid copper for reliable temperature and flow-control, delivering consistent performance over time.