LASCO 0-6033 Hot/Cold Faucet Handle Index Buttons, Fits Old Style Sterling/Rockwell Tempo Series OEM S3840/3841, Chrome. Hot and cold index buttons for faucet handles, fits old style Sterling/Rockwell Tempo series. Replacement for OEM S3840/3841. Dimensions are; 1-5/32-inch outside diameter by 15/16-inch inside diameter. Larsen Supply a third generation family owned and operated company with over 80 years of experience has the largest retail plumbing line in the industry today with over 7000 packaged and 16,000 bulk SKUs. We pride ourselves on service, selection and support! All Lasco merchandise if warranted to be free of manufacturing defects. Please revert to retail place of purchase for resolution of any possible plumbing questions, warranty or defective part replacement.