Delta Faucet RP17443 Single Metal Lever Handle Kit for Bathroom Faucets, Chrome Handle Includes set screw; carded, for single handle lavatory faucets, fits catalog ids. 43514, 46945 and 4131777, for 500 & 520 series, chrome, will also fit 540 series but not an identical replacement, lever style For bathroom faucet handle replacements Handle length: 2in