Franke KB13-36C Kubus Stainless Steel Coated Sink Rack for KBX-110-13 They are multi-functional and work in perfect harmony with their faucets, deck accessories and disposal products The Franke Kubus Coated Stainless Steel Bottom Grid protects the bottom of your sink from scratches and dents This bottom grid will fit the Kubus KBX110-13 and KBX120-39 sinks and MTX651 and MTX661 sinks