18" Round Lazy Susan With Pre-Installed 7" Cast Aluminum SwivelConvert your corner cabinet into shelves that spin with this 18" diameter round birch lazy Susan shelf with steel bearing swivel. Lazy Susan shelf is made from strong 5 8" birch plywood with a 1" inside height, solid birch finger jointed rim, all with a clear UV finish. Designed to be installed on corner cabinet bottom or cabinet shelf. Easily installs with just four screws which are included. May have limited access if counters are already installed