US Art Supply LARGE 12" Diameter Sculpting Wheel- Heavy Duty All Metal Construction & Turntable with Ball Bearings If you are a painter, sculptor or decorator working in ceramics, pottery, floral arranging, model-making, clay design, cake decorating and other artistic work you will find this wheel a perfect choice The base and top are all high grade and heavy duty made of nearly indestructible heavy cast metal joined with a heavy-duty ball bearing that allows the top to spin easily. Holds up to 50 lbs The base has a non-skid rubber boot that holds the wheel firmly in place without the need to drill holes in your work station The top is designed with concentric circles to allow easy centering of your work and the rim is weighted to give the wheel extra momentum when you spin it It is tall enough for you to get your hand beneath the top so you can rotate it while you work. lthough it has heavy-duty construction it is still light enough (10 lbs.) so that you can easily move it around when necessary