The Finishing Turntable™ is approximately 16" in diameter and 3.5" tall. Weighing approximately 3lbs, the Finishing Turntable stores easily and is made of a specially formulated, lightweight plastic that provides superior strength and adhesion resistance.
Free shipping on orders over $25.00.
Watch the informational video here http://www.woodcraft.com/Family/2080381/2080381.aspx?tab=videos#videos
Sounds like the guy is going to have the big one.
They also sell just the painters triangles for about 6.00 or so.