Each durable interlocked lazy Susan unit glides smoothly on 1/4" ball bearings and maintains maximum stability, even under heavy loads. Use them for revolving shelves in kitchen cabinets, planters, serving platters at the table, even large table tops. 3" - 12" sizes are 5/16" thick and zinc plated to guard against rust. 3" - 6" sizes are square, 9" - 17-5/16" are round.
The 17-5/16" unit is 13/16" thick and ideal for your largest revolving surfaces. It has a full 160 ball race captured in a durable ABS plastic housing for whisper-quiet operation and mar-free, rubber feet to prevent slipping.