Quick view Choose Options Sargent Sargent 130KB Round Backplate w/ Thumbturn for 8200 Series MSRP: Was: $87.95 Now: $69.92 - $72.48 California Prop 65 Warning WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.