Rev-A-Shelf Banded Wood Lazy Susans have a laminated hardwood rim with a dowelled butt joint. Clear finish. Chrome posts have an almond polymer hub. Rim is 5/16" higher than Wood Classic series. 5/8" thick maple tray bottom, 2" banded wood rim. Single Shelf Set, has attached steel swivel bearing and stop on back of tray. 28" diameter.